Six individually pivoting string fingers. Each finger has it's own fine tuner at the end. Finger lengths range from 4 in. to 6.5 in. 6.5 in. overall length 1.5 in. bracket depth. This will fit thin or thick body instruments. Thin bodied instruments will require drilling an additional hole to accommodate the strap button on vertical center. 2-3/16 in. bracket width. Two mounting holes 1-3/4 in. ctr/ctr. 5/8 in. from top of bracket. Strap button hole 1-1/4 in. from top of bracket.