This set removes broken bolts and screws.
10 pc set includes:
5 multi-fluted , machined alloy steel screw extractors. Sizes: #1 thru #5.
5 left-handed Cobalt Steel drill bits. Sizes: 5/64, 7/64, 5/32, 1/4 and 19/64.
Drill bits and matching screw extractors are positioned next to each other in steel index box.