The Fender String Action Gauge takes the guesswork out of instrument setup, giving players and technicians a precise, professional tool for measuring string action and pickup height with confidence. Crafted from durable 20-gauge stainless steel, this compact gauge features etched imperial and metric measurements for accurate setup adjustments across electric guitars, acoustic guitars and basses. Built-in Fender factory reference specs make it easy to dial in optimal playability and performance, while the compact 3.5" × 2" design fits easily into a gig bag, case or workbench setup. Complete with a protective carrying case, the Fender String Action Gauge is an essential tool for guitar techs, touring musicians and players serious about maintaining peak instrument performance.