Graph Tech GTR234 Ratio Machine Heads for Electric/Acoustic Guitar (3-A-Side)

Ratio Machine Heads. Electric or acoustic guitar. 3-A-Side. Vintage, tulip shaped buttons. Diecast housing with hardened steel gears. Includes 4 different sets of InvisoMatch aluminium mounting plates for easy installation into most headstock styles. Triple plated Chrome. Packaged.

Optimized gear ratios for each string means tuning your guitar has never been easier. Double-envelope gears made of hardened steel provide enhanced durability and ultra-smooth response for the high ratio gears. Two pin mounting system, fits most headstocks. 13/32" (10mm) diameter pegholes required Installation guide and all necessary mounting hardware included

Gear Ratios: E1=12:1, B2=20:1, G3=35:1, D4=20:1, A5=24:1, E6=39:1.