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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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For Your Every Summer RSVP, with Code: SUMMER15
Description
SIRUI KS Series Quick Release Ball HeadKS Series Quick Release Ball Head 5 low gravity heads of SIRUI KS Series have the similar appearance. Quick release flip lock and inner Allen key are included to make setup easier and also save your operation time. There are 5 heads in the KS Series. All five heads are designed with different ball diameters, base size and max payload. Users can choose the suitable one to meet the need. Low Gravity Series Ball Head KS 10,KS 20,KS 30,KS 40 Rotating the
KS Series
Quick Release Ball Head
Quick Release Ball Head
5 low gravity heads of SIRUI KS Series have the similar
appearance. Quick release flip lock and inner Allen key are
included to make setup easier and also save your operation time. There are 5 heads in the KS Series. All five heads are
designed with different ball diameters, base size and max
payload. Users can choose the suitable one to meet the need.
Low Gravity Series Ball Head
KS-10,KS-20,KS-30,KS-40 Rotating the knob to “hug” the ball design not only reduces the center of gravity, but also ensures the locking force.
All four ball heads have the friction adjustment function to adapt various equipment with different weight. The ball head can keep stable even when heavy equipment is mounted on it. And the friction level can be kept after adjusting for much easier and more flexible operation.
Suitable for Equipment with Different Weight
Friction Adjustment
The center of gravity goes down, which helps reduce the vibration from ground and keeps it stable, ideal for long exposure and low light shooting.
KS-5 Quick Release Ball Head
Straight appearance of this compact head helps simplify the operation during shooting. The head is compatible with SIRUI AT, T-0S and A series reverse folding tripod for convenient storage and the knobs can also be adjusted freely, suitable for working with compact and lightweight equipment.
KS Series Ball Head
Quick Release Flip Lock System
Learning from SIRUI Rapid System, side loading plate is also designed in this head to make installation easier and faster. Besides, you can finish mounting with only one hand.
Open the Flip Lock
Side Load the Quick Release Plate
Close the Flip Lock
Dual Lock for Safety
Safety bolt and flip lock are added to prevent the equipment from accidentally falling off.
Flip Lock
Safety Bolt
Arca Standard Quick Release Plate
(TY-55KS)
(TY-55KS)
Arca standard quick release plate is included in all 5 ball heads of KS Series to meet various shooting needs.
Included Magnetic Allen Key
Just take out the Allen key to install or detach the parts of this head. This Allen key can also be used to adjust tightness of the flip lock to deal with the tolerance of quick release plate.
Safety Bolt
Magnetic Allen Key
Rubber Pad
Inner Magnet
360 Panning Arca-swiss Plate
(KS-55P)
(KS-55P)
Besides Arca standard quick release plate, 360 panning
Arca-swiss plate is also included in KS-30 and KS-40. Users can choose the suitable plate to shoot vertically or meet
various shooting needs. When 360 panning Arca-swiss plate is mounted on the head, users can flexibly adjust the angle
horizontally even the base is locked.
Double notches on KS-30 and KS-40 support vertical shooting and multi-angle shooting.
Notch on KS-5, KS-10 and KS-20 supports vertical shooting.
More Details
Strong aluminum alloy construction.
Mount the ball head on various tripods via 3/8”-16 threaded hole on the bottom.
360° panorama base with marks helps you know where
you are each time when you want to do a manual panorama
with your camera.
Recommended Tripod
for Different Head
for Different Head
Compatible with SIRUI AT, T-0S, A Series lightweight and foldable tripod.
Compatible with SIRUI E Series tripod.
Compatible with SIRUI no center column tripod.
Compatible with SIRUI Pilot, ST-124, ST-125, R Series tripod.
Compatible with SIRUI L-324F, ST-224 Series tripod.
Specifications
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Excellent Summer Workbooks - Keeps Kids Engaged and Ready
Format: Paperback
These workbooks have been an absolute lifesaver for keeping my kids on track over the summer! I was looking for a resource that would help them retain what they learned and prepare for the next school year without feeling like a chore, and these deliver perfectly.
What I particularly love is how well **organized they are by days**. This structure eliminates any guesswork and makes it incredibly easy to assign manageable chunks of work each day, which helps to **keep my kids consistently on track**. There's no overwhelm, just steady progress.
The content is engaging, and it genuinely seems to reinforce key concepts in a fun way. We've had **absolutely no complaints** from the kids, which is a huge win for any summer learning material! I highly recommend these workbooks for any parent looking for a structured and effective way to bridge the academic gap during the summer break.
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Reviewed in the United States on May 28, 2025
★★★★★ 5
Fun for my Kindergarteners!
Format: Paperback
This activity book is a fantastic, age-appropriate resource that makes summer learning both fun and effective for Kindergarteners transitioning to 1st grade! The pages are thoughtfully designed with easy-to-follow activities that keep young minds engaged while reinforcing essential skills. The addition of flashcards, stickers, and eBooks takes the learning experience to the next level, making practice feel like playtime.
One of my favorite features is the encouragement of hands-on learning and movement through exciting fitness challenges—because learning shouldn't just be about worksheets! It turns what could be a boring review into an adventure filled with creativity and energy. This workbook truly helps bridge the summer gap while keeping kids motivated and excited for the next school year. A must-have for any little learner’s summer routine!
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Reviewed in the United States on March 19, 2025
★★★★★ 5
Recommend
Format: Paperback
Has been a great learning book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
★★★★★ 4
Teacher approved
Format: Paperback
Great review book to help bridge the learning between Kindergarten and 1st grade. Teacher approved!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2025
★★★★★ 5
Best
Format: Paperback
Best summer workbooks! Simple and quick for a summer day! They love getting the stickers to show they completed the page!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026