This multi-tool has everything you need to make quick, gig-saving adjustments on the fly, featuring hex wrenches, screwdrivers, and a precision ruler for tremolo, action, pickup height, and other basic tweaks using both metric and imperial units. Less than 3β long: fits in your pocket. Both imperial and metric hex wrenches: 1/20β, 1/16β, 5/64β, 3/32β and 1/8β; 1.5mm, 2.5mm and 3mm. #1 & #2 Phillips screwdrivers. 2.5mm and 5mm slotted screwdrivers. Ruler for precise measurements. Bottle opener. Yellow.