This Bolt Extractor Sets will remove rounded off, rusted-over or painted-on bolts. Remove any stuck bolt in a wide range of sizes from 3/8"to 5/8"easily with the 3/8"drive bolt extractor sockets. Crafted from strong chromium-molybdenum steel with a black phosphate finish that resists corrosion, this deep well bolt extractor set is engineered with internal threading to easily extract worn, rusty, stripped, deformed or broken nuts, bolts, and other fasteners. Perfectly organized in socket rail or portable plastic case depends on your need, this is the best tool for getting the job done no matter what happens. 

Product Features:
.Crafted from strong chromium-molybdenum steel
.Black phosphate finish resists corrosion
.Internal threading engineered to easily eliminate worn, rusty, stripped, deformed or broken nuts
.Fits SAE Fastener Sizes: 3/8", 7/16", 1/2", 9/16", and 5/8"
.Fits Metric Fastener Sizes: 9.5 mm, 11 mm, 12.5 mm, 14 mm, and 16 mm
.Includes the socket rail or portable plastic case depends on your requirement
.For removal use only