Klein Tools Impact Socket Set 653MQS KNECT Metric Quad Flip Sockets (12 in 3 Configuration 7mm to 19mm Hex Sizes 1/4 and 3/8 Inch Drive Fastening)

Klein Tools Impact Socket Set 653MQS KNECT Metric Quad Flip Sockets (12 in 3 Configuration 7mm to 19mm Hex Sizes 1/4 and 3/8 Inch Drive Fastening)Consolidate Twelve Metric Driving Sizes into Three Spring Loaded Quad Sockets for Rapid Hands Free Transitions The Klein Tools 653MQS KNECT 12 in 3 Metric Impact Flip Socket Set is an industrial grade fastening system engineered to condense twelve distinct hex nut sizes into three multi profile quad components. Optimized for cordless impact tools running 1 4 inch hex or 3 8 inch square drives, this heavy duty system spans a 7mm to 19mm range via

Consolidate Twelve Metric Driving Sizes into Three Spring-Loaded Quad Sockets for Rapid Hands-Free Transitions

The Klein Tools 653MQS KNECT™ 12-in-3 Metric Impact Flip Socket Set is an industrial-grade fastening system engineered to condense twelve distinct hex nut sizes into three multi-profile quad components. Optimized for cordless impact tools running 1/4-inch hex or 3/8-inch square drives, this heavy-duty system spans a 7mm to 19mm range via spring-loaded telescopic sleeves that compress smoothly under direct pressure. Forged from cold-forged steel alloy and treated with an anti-corrosion manganese phosphate finish, this space-saving mechanism optimizes on-site structural assemblies, commercial electrical layouts, and automated plant maintenance routines.

Best Used For:

• Electrical Infrastructure Staging: Mounting variable metric nuts on heavy-duty electrical distribution boxes, strut channels, and solar panel racking frames.
• Commercial Mechanical Fastening: Securing machinery mounts, foreign flange connections, and industrial equipment fittings without carrying multiple detached bits.
• HVAC Systems Maintenance: Driving variable assembly fasteners across multi-brand heating, cooling, and ventilation units in tight equipment rooms.

Key Performance & Safety Features

• 12-in-3 Quad Optimization: Consolidates twelve standard metric hex sockets down to three 4-in-1 tool heads to eliminate loose inventory loss.
• Spring-Loaded Sleeve Action: Telescopic design retracts automatically under downward placement pressure to enable immediate, hands-free secondary size access.
• High-Torque Impact Rating: Precision cold-forged from heat-treated alloy steel to safely manage heavy cyclic impacts from power driver hammers.
• Universal Dual-Drive Integration: Multi-purpose KNECT™ system adapter switches between 1/4-inch quick-change hex shafts and 3/8-inch square driver anvils.
• MODbox Stackable Compatibility: Packed inside a low-profile storage case engineered with locking latches to anchor natively into modular rolling tool rails.

What's Included

• (1) Small 4-in-1 Quad Socket (7mm, 8mm, 10mm, 12mm)
• (1) Medium 4-in-1 Quad Socket (9mm, 11mm, 13mm, 14mm)
• (1) Large 4-in-1 Quad Socket (15mm, 16mm, 18mm, 19mm)
• (1) 6.5-Inch KNECT™ Impact-Rated Extension Shaft
• (1) 1/4-Inch Hex and 3/8-Inch Square Drive Multi-Purpose System Adapter
• (1) Slim MODbox™ Accessory Case with Small Parts Storage Tray

Technical Specifications

PRO-TIP: When shifting from smaller nested hex sizes to the deeper outer walls, wipe away metal shavings or grit accumulation inside the spring-loaded channel. Keeping this sliding mechanism free of site debris ensures that the internal spring sleeve telescopes to its full extension, ensuring perfect 6-point engagement and preventing fastener cam-out.