The BOA 6 pc. Grabit Bolt-Out Set is a professional set of bolt extractors like nothing you have ever used. These Grabit Bolt Removers will quickly and safely remove all types of bolts and as with all the Boa products, the ease of the use will surprise you. These sets will do exactly what you want, they fit deep sockets, quick change chunks and are efficient in time and performance. Great for: engineering, automotive, marine, agriculture equipment. 6 pc. set for 3/32 in. - 1 in. (3-25 mm).