ITEM NAME:2pcs Ball End Truss Rod Adjustment Wrench Repair Tool for Guitar Accs Store Home | Clothes, Shoes & Accessories | Home, Furniture & DIY | Toys & Games | Dolls & Bears | Baby | Jewellery & Watches | Health & Beauty | Crafts | Collectables 2pcs Ball End Truss Rod Adjustment Wrench Repair Tool for Guitar Accs Description: Neck wrench to the adjusting hole of the guitar neck relatively deep. Adjust the guitar neck straight,suitable for guitar,regardless of the types. Two way L-shape truss rod adjusment. 4mm and 5mm ball end. Material: metal Size Chart: Size: Approx. 12.4x7.4cm/4.88x2.91inch Package Includes: 2 Pieces Guitar Wrench.Neck wrench to the adjusting hole of the guitar neck relatively deep. 2 Pieces Guitar Wrench. Adjust the guitar neck straight,suitable for guitar,regardless of the types. 4mm and 5mm ball end. Size: Approx.