Johnson - Deadbolt Blockhead Trailer Coupler Lock For 1-7/8 inch and 2-inch Couplers. Maximum security for unattended trailers. Hi-tech materials redefine the traditional lip engaging coupler lock. Extruded, tempered aluminum body provides superior strength to weight ratio, a distinctive look, and great value. Simple, rugged push-button lock mechanism.
Double-sided automotive style key makes for easy insertion and removal. Shuttered key opening prevents clogging and freezing. Durable powder coat finish. Fits all flat lip 1-7/8 inch and 2-inch couplers. Fits all 1-7/8 inch and 2-inch lip-engaging, trigger-style couplers. The coupler should have rolled lip around the bottom. Maximum lip width: 3-3/4 inch. 5-pin tumbler; 2 keys. Material: extruded tempered aluminum body. Finish: powder coat. Made in the USA.