27mm extra deep impact socket, designed for use on air/electric impact guns or impact drivers. Part of a range of extra deep sockets from 10mm to 32mm. Size: 27mm single Hex x 1/2""D . Long series socket: 120mm long with 70 internal clearance. Manufactured from Chrome Molybdenum, with a black phosphate finish. Available in 14pc set - please see Laser Part No. 7759.