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The PROTO J4707LM is a deep hand socket designed for professional hand-tool applications where standard-depth sockets cannot reach fasteners on extended studs, long bolts, or recessed hardware. Built with a 7 mm socket opening and a 6-point drive geometry, it provides full-surface contact on hex fasteners, reducing rounding and cam-out under torque. The 1/4 inch drive shank fits standard 1/4 inch ratchets, extensions, and flex handles. A chrome finish protects the alloy body against corrosion and makes the socket easy to wipe clean in service environments. Electricians, HVAC technicians, auto mechanics, and general maintenance professionals reach for this socket when standard-depth units come up short.
This deep socket fits into any 1/4 inch drive hand-tool setup and is well suited for low-clearance fastening tasks in residential and light commercial maintenance, equipment service, and panel work. The 7 mm size is commonly encountered in automotive hardware, small appliance assembly, and control panel fasteners. It is sold individually and is compatible with 1/4 inch drive quick-release and knurled ratchets, extensions, and universal joints.
Designed as an OEM-style replacement or addition to any 1/4 inch drive hand-socket set requiring a deep 7 mm metric socket.
Ensure the drive ratchet or handle is rated for 1/4 inch drive before use. Confirm the fastener is fully seated in the socket before applying torque to avoid rounding. Keep the socket and drive clean and free of debris to maintain a secure fit during operation.
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