Home Products Power Tool Accessories 3/8″ Shank Ship Auger Extension, 12″ 3/8″ Shank Ship Auger Extension, 12″ (38112) Securely grips ship auger drill bits for extended lengths Fits 3/8-Inch shank size auger drill bits Requires 1/2″ Chuck Size 12-Inch length Find a Retailer Find on Amazon