Pachmayr Master Gunsmith Scope Ring and Base Screw Kit Hex Head 142 Piece

These difficult to find screws are replacements for factory slotted screws. Handy storage box with individual compartments for each size screw. Includes tweezers and a thread size gauge, which also doubles as a shortening jig used to grind a screw to a shorter length. Black finish. Hex wrench size: 3/32".Kit Includes: #6-40 Fillister Head (3/8, 1/2) #6-40 Oval Head (1/4, 3/8) #6-48 Fillister Head (1/4, 3/8, 9/16) #6-48 Oval Head (1/4, 3/8) #8-40 Fillister Head (1/4, 3/8, 1/2) #8-40 Oval Head (1/4, 1/2)