Feature: With lock string function. Separate left and right, handle width is 17.5mm/0.68''. Product function: tuning through the tuning knob of the guitar. Specifications: The main material of the product: alloy small handle + A3 steel plate + easy-cut iron chord column + copper gear combination. Product color (optional): Silver, Gold Product size: 40x40x20mm/1.57x1.57x0.78'' Net weight: 220g Scope of application: for Electric Acoustic 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: 6pcs X String Tuning Pegs Locking Tuners (Nuts, Gaskets gaskets have been fitted on the String, Screw Packed Alone)