DCF887 Impact Driver Features DeWalt brushless motor delivers more run time over brushed Compact (137mm front to back), lightweight (900 grams) Impact Driver design fits into tight areas Ergonomic comfort grip handle provides ideal balance and tool control One-handed loading 1/4" hex chuck LED job light Variable speed control trigger Bare Tool - No Batteries or Charger Supplied Dewalt DT7701 80mm Retracting Magnetic Screwdriver Bit Holder This Genuine DT7701 DeWalt Magnetic bit holder / Guide Sleeve for all 1/4 Inch Hex bits, holds screw during positioning. Guide sleeve helps to achieve staraight, accurate screwdriving. Guide sleeve reduces risk of finger injury. Diameter for screwdriving guide is 9.5mm Diameter: 1/4 inch Hex Length: 80mm Extends to 120mm when sleeve is.