4Pcs Yootones 4mm / 5mm Guitar Truss Rod Wrench, Allen Wrench Tool Ball End Compattible with Martin Acoustic Guitar Truss Rod Ad

The guitar hex wrench compatible with most kinds of acoustic guitar, electric guitar and bass. Works perfect for martin. 2 way L-shape truss rod adjustment tool, 90 Bend no creases, no damage to material. Guitar hex wrench for locking hexagonal screws on the bridge, adjusting the guitar neck. Product Specification: 100% Brand New Material: Metal 4mm Guitar Truss Rod Hex Size: 4 x 130 x 74mm/0.15in x 5.11in x 2.91in 5mm Guitar Truss Rod Hex Size: 5 x 131 x 75mm/0.19in x 5.15in x 2.95in Color: Black Weight: 105g Package Content: 2 x 4mm Wrench 2 x 5mm Wrench Note: 1.If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Key Product Features. 2.Due to different monitors, there may be a little color difference.