Measures disc brakes and up to 12"/300mm on brake drums.
Includes set of clamps; 4 sets of set screws; 1 Allen wrench; 1 set of 3 3/4" contact points; 1 set of 3/4" cone contact points & 1 set of 3/4" flat contact points in plastic tube.
When measuring brake drums only, add 8" to measurement allows for long cone and jaw widths.