Product Description: Quantity: 5 pieces (set) Reliable Quality - Made of carbon steel and are double tempered for extra hardness and durability. Works on wood and machine screws, as well as flat, hex, or painted screws. 5-piece heavy-duty steel extractorvarious sizes of screw extractor to meet different needs. Screw extractor size includes #1 for 1/8"-5/32", #2 for 5/32"-3/16", #3 for 3/16" -1/4", #4 for 1/4"-5/16", #5 for 5/16"-7/16". Remove bolts and water lines Damaged - These extractors remove most damaged, stripped, rusted, broken or stuck screws from any wood or metal surface with relative ease. The two new water pipe pullers, designed for broken water pipes. It can remove part of the common screwdriver can not be disassembled damaged bolts, screws, bolts and pipes. reverse thread bits easily remove screws, bolts, studs and threaded pipe fittings.