Feature: With lock string function. Separate left and right, handle width is 17.5mm/0.68''. Specifications: Main material: alloy small handle + A3 steel plate + easy-cut iron chord column + copper gear combination Product color: Silver, Black, Gold Product size: 40x40x23mm/1.57x1.57x0.78'' Net weight: 210g Scope of application: for Electric Acoustic Guitar Function: tuning through the tuning knob of the guitar Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 6 X Guitar Lock Tuners Pegs