Description
FENDER Patented Callus Builder & Finger Strengthener – includes 8-lb and 15-lb Resistance Finger Exerciser for Guitar, Bass – Guitar Finger & Grip Strength Tool – Ideal Guitar & Bass Accessories
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- ESSENTIAL GUITAR & BASS ACCESSORY – From beginners to pros, this must-have guitar finger trainer improves strength, coordination, and endurance—perfect for daily guitar training or warm-ups before a performance.
- LICENSED and PATENTED FENDER CALLUS BUILDER – Designed in the shape of Fender’s iconic Stratocaster, this officially licensed guitar callus builder is a standout in any collection of guitar & bass accessories.
- RAISED STRING-LIKE RIDGES – Unlike typical strength training grip strengtheners, this exclusive patented design includes raised ridges that simulate real string tension to help build calluses—ideal for realistic guitar finger exerciser practice.
- MIRRORS PLAYING POSITION – Ergonomically shaped to replicate your hand and finger angles while playing any stringed instrument, making it a versatile tool to build calluses where you need them.
- HIGHEST TENSION AVAILABLE – Included both 8-lb (RED) or 15-lb (BLACK) resistance. The BLACK version delivers extreme resistance—unmatched by any other guitar finger trainer or hand exerciser on the market.