McMaster 7196A13 6 Point Impact Socket, 1 1 2" Square Drive, 1 1 2" Size G7950588 V Belt Type Classical V Belt Section V Belt Type Classical V Belt Section B Industry Number B68 Number of Ribs 1 Material Polybutadiene For Use With Multiple Belt Systems Reinforcing Cord Material Polyester Construction Wrapped Temp carcinogens (IARC 1‑2A‑2B lists) and 1 1 2" square drive size sockets require a locking retainer Bolt Clearance Type Standard Square Drive Size 1 1 2" Drive Size 1 1 2" Nut 15 16" Bolt 1 11 32" Compatible Retaining Ring ID 2 7 8" Material Black Oxide Steel Overall Length 3 1 4" Socket Shape 6 Point Drive Type Impact For Drive Style External Hex OD 3 1 4" 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