MIECOO 12PCS Guitar Luthier Repair Tool Kit, Includes 11PCS Guitar Bass Neck Bridge Nut Screw Adjustment Truss Rod Allen Wrenches and Guitar String Action Ruler Gauge for Guitar & Bass 12-Pieces electronics_best_sellers_May2024 the surface of the hole

the surface of the hole is made of copper

5" L x 6"(upper) x 12

Split shaft with coarse knurling fits most control knobs

CompactFlash memory cards

MIECOO 12PCS Guitar Luthier Repair Tool Kit, Includes 11PCS Guitar Bass Neck Bridge Nut Screw Adjustment Truss Rod Allen Wrenches and Guitar String Action Ruler Gauge for Guitar & Bass 12-Pieces electronics_best_sellers_May2024 the surface of the holeMIECOO 12PCS Guitar Luthier Repair Tool Kit, Includes 11PCS Guitar Bass Neck Bridge Nut Screw Adjustment Truss Rod Allen Wrenches and Guitar String Action Ruler Gauge for Guitar & Bass Product Features GUITAR LUTHIER REPAIR TOOL KIT INCLUDES9 x Allen Wrench; 2 x Ball End Truss Rod Wrench (4mm & 5mm); 1 x Guitar String Action Ruler Gauge; 1 x Portable Storage Bag. Suitable for guitar, bass, mandolin, banjo and more. Perfect gift idea for guitar lovers,