Professional guitar tuning products, not slippery, durable, not loose, anti rust electroplating anti oxidation, improve manual operation safe reliability.

Features:
Portable in size and weight, easy to install and remove.
Rapid tuning, labor and time saving, tone is accurate.
Standard size, don't slip wire.
High quality metal, durable and wear-resistant.
Surface plating treatment, anti-rust and oxidation resistance.
String knob non-slip rubber pad, not easy to loosen.
Jade handle with smooth surface without hand injury.

Specifications:
Color: Gold, Silver (optional)
Material: Metal + Jade
Operation Way: Manual
Package Weight: 144g / 5.08ounces
Package Size: 100 * 80 * 50mm / 3.94 * 3.15 * 1.97in

Packing List:
6 * Tuning Keys
1 Suit * Installation Fittings