Square Bit, 5/16 Inch Shank (#2 x #3)

Square Bit, 5/16 Inch Shank (S2 x S3) Manufactured to precise tolerances Bit tips are milled 21 mm down the shank, allowing for clearance into tight spaces Engraved size markings on each end won’t wear off Spring-loaded retaining ball holds bits in nut driver bit tube
As part of the TEKTON 6-in-1 Drivers, the Dual-Tipped Square Bit is milled to precise tolerances and contains two different square sizes on each end.