Fits Strat/Tele style and other similar style electric guitar tremolo or fixed bridges with 52.5mm (2-1/16 inch) string spacing
Individual saddle width: 10.5mm (13/32 inch), String spacing: 10.5mm. saddle's back mark 1 means for 1/2/3rd string, 2 means for 4/5/6th string
Made of solid brass with precise digital CNC processing technic, durable and stable, brings better sustain. Modern style rectangle roller saddles greatly reduce string breakage, increase sustain and tuning stability,easy to install
Screws and springs are made of stainless steel, hex height adjustable screws are metric sized 8mm tall, length adjustable screws are metric sized 16mm and 20mm length, to fit Strat and Tele
Package includes: 6 pieces guitar roller bridge saddles with spring and screws,1 piece Hex wrench