These pads fit Makivetro models makrapdid  2 and 4 spindle straight line edgers. The red pad is a softer rubber than the rear pad which is black. A stud and plastic guide wheel are located on the back of every fifth or sixth pad. There are two holes in the pad to mount it to the conveyor chain.

Size of the pad is 6 1/8″ long x 1″ wide x 3/4″ tall