ERGONOMIC DESIGN: Lightweight T-shaped beech handle with nickel-plated metal shaft provides comfort, secure grip, and precise control, reducing hand fatigue during tuning sessions. MULTI-INSTRUMENT USE: Compatible with autoharp, zither, hammered dulcimer, and similar stringed instruments, making it versatile for musicians with multiple instruments. PRECISE FIT: Designed to fit standard 3/16" hitch pins, ensuring accurate and consistent tuning without slipping or damaging pins. EASY TO USE: Lightweight and ergonomically shaped for effortless turning, allowing beginners and experienced musicians to tune quickly and accurately. COMPACT AND COMFORTABLE 4" Handle and 2 1/4 " shaft