US PRO INDUSTRIAL 1/2" dr 21mm Scaffolders Impact Socket For Wrench Ratchet 3430

1/2" DR 21MM SCAFFOLDERS IMPACT SOCKET6 Point US PRO INDUSTRAIL 21mm Scaffolders Impact socket21mm Impact socket with retaining pin and O Ring.• Drive: 1/2"• Size: 21mm• Length: 52mm• Retaining Pin & O Ring Included• Strong CR-MO. HRC42-48 Material• Phosphate Finish