M31 SL
The rockSteel Screwlock offers impressive strength to weight ratio, a large gate opening and precise handling characteristics due to CNC machined surfaces. Professionals appreciate the smooth spinning screw-sleeve and the smooth keylock surface that won't snag your rope.
 
Part#: M31 SL
MBS-Major: 48kN
Gate Opening: 1.2" (30 mm)
Weight: 8.10 oz (226 gm)
Certification CE/NFPA "G"