This replacement keyless chuck ensures a perfect fit for DeWALT models including DCD771, DCD777, DCD734, and more, featuring a left-hand chuck screw for straightforward installation that saves both time and resources. Broad Compatibility: Engineered to support an array for DeWALT drills such as the DC759KA, DC728, DC720KA, DCK759, DW959, and DCD760 series, this versatile chuck enhances your tool's lifetime and functionality substantially. Multi-Brand Suitability: Apart from for DeWALT, this keyless chuck perfectly fits various models from other leading brands such as for MAKITA, HIKOKI, and HITACHI, specifically compatible with DCD796, DCD791, and DCD780 among others. Extensive Replacement Coverage: Ideal for replacing part numbers including N472497, N250759, 330075-74, and 330075-64, it also matches well with less common models such as DCD760B, DCD710S2, and DCD710B, ensuring wide-ranging tool applicability. The actual product may have slight color difference or difference, which will not affect the use Colour:Black Material:Plastic+Metal Package Contents: 1x electric drill chuck 1x screw (style and color are random,can not be chosen the specific ones) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.