(available in bare steel finish only paint to suite extra product sticker label included)sl15k squeeze latch 15,000 lb. Commonly know as a squeeze latch coupler it is made by several different manufactures including ram, curt, rice and others. The sl15k uses either the 7/16" or 17/32" s safety hooks that lock up inside with the coupler to keep your trailer from being dragged away while locked, uses (2) 2 3/4 disc locks with a anti lock cutting guard. Cw sl15k includes a free set of 7/16 5000 lb safety s hooks and 2 disc locks free i make several models of trailer coupler locks be sure to match the picture on the label with your coupler to make sure you choose the correct one more descriptions and options available at cwtrailerlocks.Com united states patent number 9,033,358 made in wichita, ks. Please like and rate us on facebook cw trailer coupler locks. This item is made of steel.