Stripped Screw Extractor Set, 10 pc Features six lobed spiral bits are designed to remove rounded or stripped fasteners with internal drive heads ten sizes of extractors fit torx and torx plus sizes T-10 to T-55, internal hex sizes 7/64 inch to 3/8 inch and 3 mm to 10 mm, will also work on other internal drive screw heads to remove broken bolts, drill a pilot hole for the appropriate size extractor, choose the extractor that fits snugly in the fastener, turn counter-clockwise to remove fastener it may be necessary in some applications to drive the extractor into the fastener with a hammer for maximum torque specifications: Weight: 9 ounces Product Dimensions: 3.50 inch x 8.00 inch x 0.75 inch
