3/8 Inch Drive Triple Square and 1/2 Inch Drive TR Triple Square Bit Socket Set with Rail, 11-Piece (M4 - M12, MT14 - MT18) Quantity:1 Size: 2-1/8"

Size: 2-1/8"

Part Number: M16X45DPPOAPL

Drill Bit Size: 17/32"

and reducers are made out of 4140 steel and have a corrosion-resistant manganese phosphate coating

Part Number: BIT-DEWSFC1-1/2-82

3/8 Inch Drive Triple Square and 1/2 Inch Drive TR Triple Square Bit Socket Set with Rail, 11-Piece (M4 - M12, MT14 - MT18) Quantity:1 Size: 2-1/8"S2 steel bits are press fit into the socket for a straight, permanent connection that can't loosen over time Triple square (XZN) S2 steel bit tips are machined to precise tolerances for strong engagement with fastener heads Large, clear die stamped size markings are easy to read and cant wear off Four detent grooves provide a secure connection with the drive tool Polished, chrome plated finish easily wipes clean and is highly resistant to corrosion