Big Rock Brass Bullet Jack Tight. JT-2
Big Rock Brass Bullet Jack Tight. JT-2, Jack Tool for Guitar, Tightens jacks on guitars or amplifiers from the outside without twisting or shorting the wires, Fits 6.3 mm jack nuts with U.S. inch size 1/2"" (12.7 mm), New and improved with brass socket, Compact size, For instruments, amplifiers, pedals, mixers, etc.