Made from heat treated Crmo steel, reverse spiral design for maximum grip.
Designed to remove broken studs and bolts.
Screw extractor diameter:
1/8"-5/32"-3/16"-7/32"-1/4"-9/32"5/16"11/32"-3/8"-13/32"-7/16"15/32"-1/2"-17/32"-9/16"-19/32"5/8"-21/32"-11/16"-23/32"-3/4"25/32"-13/16"-27/32"-7/8"
(3-4-5-5.5-6-7-8-9-10-10.5-11-12-13-13.5-14-15-16-17-17.5-18-19-20-21 -21.5-22 mm）
