Features: Brand new and high quality Including 13 pieces of drive bolt and nut remover, equipped with 6.35mm 8mm 9.5mm 10mm 11mm 12mm 12.7mm 13mm 14mm 16mm 17mm 17.5mm 19mm. Strong material ensures maximum strength and durability for long lasting usage. Spiral cutting teeth provide reliable grip and remove round or damaged bolts. This is the most important conductive stabilizing tool for unscrewing screws, nuts and the most important thing. This damaged nut bolt remover with corrosion for protection is designed to remove damaged bolts, screws and nuts. Specifications: Material:Steel Size:6.35mm 8mm 9.5mm 10mm 11mm 12mm 12.7mm 13mm 14mm 16mm 17mm 17.5mm 19mm Package Includes: 13x Bolt Nut Remover 1x Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.