Features:1. This product tightens and loosens the strings by winding and loosening the tuning pins, and can also pull the bridge pins with notches.2. Suitable for most acoustic and electric guitars, basses and ukulele, very convenient tool for repairing your guitar and accessories.3. Made of sturdy and durable materials, durable, use this classic winder to replace strings in seconds.4. The notch head can quickly and safely remove the bridge pin, which is very simple and convenient to use, and is a very practical tool for musical instruments.5. Pull the notched bridge pin onto the handle. Easy to carry the stringed instrument maintenance tools to keep your instrument in good condition. Description:This product tightens and loosens the strings by winding and loosening the tuning pins, and can also pull the notched deck pins. Specifications:Material: ABSCevenness: Winder Applicable Stage: Musical Instrument Package Size: 120*60*15mm Package Included:1pc*StringerNotes:1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.