Introducing the Blaylock universal coupler lock. Made from high grade heavy-duty aircraft aluminum and offers a stout 3/4" steel pin. Disk padlock - Masterlock 40-D.
Three hole positions for multiple coupler applications
Overall Dimensions- Inside dimension of the channel is 4-3/4 inches with overall dimensions of 4-1/2" depth x 6-1/8" wide x 5-1/2" tall.
Inside Dimension of Channel- 4-3/4 inch
Works with 2 inch & 2-5/16 inch couplers & surge brake couplers too!