The Wera 8790 HMA Deep 1/4" Drive Hexagon Socket in 4mm is the smallest in the range, making it particularly well suited to precision fastening tasks where compact bolt heads are involved, such as electronics, instruments, or fine mechanical assemblies. The deep profile and 50mm length allow it to reach low-lying fasteners and work around protruding threaded rods with ease. The hexagonal profile ensures high power transmission while protecting delicate fastener edges — essential when working with smaller fixings that are more susceptible to rounding. A ball intercept ring keeps the socket securely seated during both hand and machine operation (non-impact). Wera's Take it easy colour-coding system makes identifying the 4mm socket in your kit fast and straightforward. Knurling on the lower end provides grip security even in oily conditions. Features and Benefits: • Deep profile reaches low-lying fasteners and works with protruding threaded rods • Hexagonal profile protects small fastener edges during high-force bolting • Ball intercept ring for secure drive connection • Knurled lower end for grip in oily conditions • Colour-coded with Take it easy tool finder for quick identification • Matt chromed chrome-vanadium steel construction • ISO 2725 part 3 compliant Contents: 8790 HMA Deep 1/4" socket, 4 x 50mm Specifications: Drive Size: 1/4" Socket Size: 4mm Length: 50mm

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