☆ I only used it once for a test. ◉ 3mm hex driver with a special blade tip shape that easily removes hex bolts and set screws. ● Specially designed bit to remove stripped hex socket screws by creating new grooves ● Can also be used on heat-treated screws such as cap screws and set screws ● Can be used with a manual impact driver that can accommodate a 6.35mm hex shank ● Compatible size: 3mm hex ● Product dimensions: Total length 105mm, tip shaft diameter 4.5mm round shaft ● Number of pieces in set: 1 ● Note: The blade tip is a consumable item. If deformation or chipping occurs, discontinue use and replace it. ● Packaging: Cardboard backing and blister pack - Brand: ANEX - Model name: AK-22NH - Size: 3mm - Application: Removal of hex bolts/set screws - Features: Special blade tip shape - Country of manufacture: Japan