Proto USA J4900MA-TT 10pc METRIC 4-17mm HEX Socket Bit Set , 3/8, 1/2" Dr Gasket Scraper Generations of craftsmen and artisans

Generations of craftsmen and artisans throughout history have used

Including parallel-flats to prevent table-top roll-off

These gauges are ideally suited for measuring bores

The  Dog House style base grips horizontally

Proto USA J4900MA-TT 10pc METRIC 4-17mm HEX Socket Bit Set , 3/8, 1/2" Dr Gasket Scraper Generations of craftsmen and artisansProto Tether Ready 3 8" & 1 2" Drive 10 Piece Metric Hex Bit Set Includes 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm and 17mm. Comes complete in sealed plastic box. Premium USA quality. Proto Tethered Tool Sockets are manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square drive The Positive Control System requires a separate tool to attach or remove the