1-7/16in (37mm) - 1-15/16in (49mm)
M7-ME90434 | M7 Pin & Ring Set For 1/2in Dr. Impact Sockets 37-49mm
• Pin Diameter: 4mm
• Pin Length: 30.5mm
• Ring Diameter: 38mm
• Ring Thickness: 4mm
• Suits Sockets: 1/2" Drive 37mm to 34mm