Square Drive

No 2 Robertson square drive bits. Dimensions: Overall length=75 mm Overall length=3 inch D=1/8 inch D=3.2mm Shank Diameter=1/4 inch hex Shank Diameter: 1/4 hex Diameter Imperial: 1/8 Diameter Metric: 3.2 Overall Length Metric: 75...

Square Robertson screwdriver bits. Dimensions: OL=50 mm D=9/64 nch D=3.6mm Shank Diameter=1/4 inch hex Shank Diameter: 1/4 hex Diameter Imperial: 9/64 Diameter Metric: 3.6 Overall Length Metric: 50...