CM-1178-L2 Double Cam-lift Safety Latch ♣ Material:High pressure die-cast zinc, with a set of stainless steel screw. CM-1178-P2 Double Plane Safety Latch ♣ Material:High pressure die-cast zinc, with a set of stainless steel screw. CM-1178-LS2 Double Cam-lift Safety Latch ♣ Material:Precision stainless steel, with a set of stainless steel screw. CM-1178-PS2 Double Plane Safety Latch ♣ Material:Precision stainless steel, with a set of stainless steel screw. CM-1178-PS3 Plane Ring Safety Latch ♣ Material:Precision stainless steel, with a set of stainless steel screw.