McMaster 5550A89 6 Point Impact Socket, 1" Square Drive, Standard, 1" Size, 2 9 16" Overall Length G2679442 Included 12 Point Standard SAE 1 2 Included 12 Point Standard SAE 1 2 in this angle grinder combines durability with ergonomic features to improve efficiency on the job Bolt Clearance Type Standard Square Drive Size 1" Drive Size 1" Nut 1 11 64" Bolt 1 21 64" Compatible Retaining Ring ID 1 3 4" Material Black Oxide Steel Overall Length 2 9 16" Socket Shape 6 Point Drive Type Impact For Drive Style External Hex OD 2" Socket Style Standard Socket Type Socket Sold As Individual System of Measurement Inch Country of Origin United States DFARS Compliance Specialty Metals COTS Exempt Export Control Classification Number (ECCN) EAR99 REACH Compliance Not Compliant RoHS Compliance RoHS 3 (2015 863 EU) Compliant Schedule B Number 820420 or use a socket retaining ring with tools that have a hole or hole and ring style socket retainer