Features: Tool-free bit change for fast and eay bit changing without a wrench 26,000 rpm motor provides more cutting power Dust sealed switch provides durability and long switch life Voltage 18 V No Load Speed 26,000 rpm Collet Diameter 1/4", 1/8 " Adjustable Guide Yes Tool Weight 2.1 lbs Shipping Weight 2.5 lbs Includes: 1 general purpose bit 1 drywall cutting bit 1/4" & 1/8" collets Tool only (batteries and charger sold separately)