Designed to fit on an air, corded or cordless impact wrench with 1/2"D connection.Includes: Impact Drive locking sleeve, disc tightening and loosening adaptor and 6 abrasive discs.To fit over most HGV wheel studs up to 28mm in diameter to a maximum of 80mm long.Abrasive discs available separately: 50 x 12mm (Part No. 61142), 50 x 13mm (Part No. 61143), 50 x 14mm (Part No. 61144), 60 x 16mm (Part No. 61145), 60 x 22mm (Part No. 61146), 60 x 28mm (Part No. 61147).Abrasive discs available separately: 50 x 12mm (Part No. 61142), 50 x 13mm (Part No. 61143), 50 x 14mm (Part No. 61144), 60 x 16mm (Part No. 61145), 60 x 22mm (Part No. 61146), 60 x 28mm (Part No. 61147).