Etched double measurement markings ( inches / mm) on stainless steel ensures lasting claritys, paired with ergonomic handle containing printed instructions Professional gauge set stainless steel feelers for precise electric, acoustic, classical & bass guitar neck adjustments Part of the innovative guitar setups systems, this essential tool combines measurement accuracy with intuitive design for instrument maintenance Ideal for guitar technicians, luthiers, and musicians seeking studio grade maintenance tools for instruments or workshop repairs Perfect for home setups, stage side tweaks, or workshop environment when measuring neck relief during seasonal changes or string gauge adjustments