C.R. LAURENCE DS325BL CRL Black Left Hand Cam Handle with 1-1/2" Screw Holes. This unique CRL Cam Handle has an attached nylon wedge flap which eliminates the need for a separate strike. When the handle is rotated into the lock position, the wedge flap tightens the window against the frame. The handle has 1-1/2 inch (38 millimeter) on-center screw hole spacing, and is made of pressure diecast zinc alloy with a 1/16 inch (1.6 millimeter) step.. Part Numbers Variations: DS325BL