Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1/2" long from flat face to edge of cope. They are tapped through with 5/16-18 threads. See photos for all dimensions. Sold in pairs.