MetalTech M-MLC1S | Coupling Pin & Spring-Lock 1-3/8" with 1" Collar (Galvanized) DIMENSIONS 1 3/8 IN. WITH 1 IN. COLLAR WEIGHT 0.9 LB FINISH GALVANIZED COLLAR 1 IN. HOLE SPACING 2.5 IN. STANDARDS ANSI, CSA AND OSHA MODEL M-MLC1S UPC 778300882014