Water Feed Drill Adapter Drive Size 1/2 in Shank Size 5/16 in For Use With Drills Includes 1/2 in to 5/8-11 in Arbor System 8mm Compression Chuck 8mm Diamond Pilot Bit Aluminum Pressurized Water Bottle Coiled Water Line Quick Connect Garden Hose Adapter Utility Belt Wrench Assortment and Extra Seal Set Impact Rated No