Two Stage Auger Adapter Precision Durable Alloy Steel For Use With Auger Drill Product Features ? APPLICATION:The adapter allows you to use your Power drill with Auger Drill. Suitable the 3/4 inch internal diameter of the auger shaft and 7/8inch internal diameter of the auger shaft. ? MANUFACTURE:Auger adapter are made of alloy steel with high strength, Quenching treatment, being hard chrome plated and good wearing resistance. good impact resistance and good deformation resistance. ? SIZE:Auger adapter Overall Length: 5inch,Body Diameter: 0.71inch and 0.86inch.Bolt hole is 0.25inch hole and 0.31 inch hole. Fits drill chucks 1/2 inch and larger. ? EASY TO USE:Three flat milled sides to fit in 1/2 inch drill chuck,flat surfaces large enough?Longer shank for the Power drill to clamp securely without slipping. ? DIY DESIGN:If you use it for an ice auger, you can DIY make a Auger Stop plate, install it on the step of the adapter, and clamp it with the inner hole internal diameter 5/8 Shaft Collar, so as to prevent the auger from falling into the water. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!