3/8 Inch Drive x 14 mm Hex Impact Bit Socket Tekton They have a slight wedge

They have a slight wedge shape that grips both sides of the slot

Part Number: 75C550WA2Z

Part Number: 87C300HCS8Y

Number of Pins4

3/8 Inch Drive x 14 mm Hex Impact Bit Socket Tekton They have a slight wedgePrecise Bit Geometry The bit tip is machined to precise tolerances for an exact fit with hex fasteners Optimal Two Piece Design We use separate steel alloys and processes for the bit and socket, resulting in a higher performing tool than one piece designs Permanent Connection The bit is pressed directly into the socket for a permanent connection that won't loosen over time or under stress Two Size Markings The size is marked with a high visibility