ITEM NAME:9Pcs Guitar bass neck bridge screw truss rod adjustment wrench ME Specifications: Material: Carbon Steel Gauge: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 1/20in, 1/8in, 3/16in Package List: 1 * Set of Wrench （guitar not included.）.1 Set of Wrench （guitar not included. Material: Carbon Steel.
