Musiclily Basic Metric 4mm Steel Guitar Epiphone Truss Rod Allen Key Hex Wrench , Nickel (Set of 2)
1.Fits for most Epiphone electric guitar neck truss rod adjustment, also used to drive bolts and screw which have a 4mm hexagon head socket
2.Made of high quality steel, nickel plated, durable and long-lasting
3.Metric size M4, designed for 4mm(5/32 inch) hexagon head socket
4.Long arm: 53mm(2-3/32 inch), short arm: 23mm(29/32 inch)
5.Package includes: 2pcs allen key wrenches