71670 Large Tap Socket Set Fits 5/8″, 11/16″, 3/4″, 7/8″ and 1″ Socket Taps, 1/2″ Drive,For Larger, M.C.T.I. Standard Taps, #9 #10 #11 #12 #13 Tap Socket 【Application】5pcs Tap Socket Set Fit 5/8″, 11/16″, 3/4″, 7/8″ and 1″ (16mm, 18mm, 22mm and 25mm) socket taps. Especially in tight spots and restricted areas that the T-handle will not fit in. For larger, fractional M.C.T.I. standard taps.【Essential for Your Toolbox】Our Tap Sockets are fantastic tools to simplify tapping new threads to fix stripped and damaged bolt threads. Ideal for use in tight spots and restricted areas where the T-handle will not fit in.【Hold Taps Tight】Comes in five different sizes and fits most taps. Highly recommend as it squarly fits the square shank on the tap, and is held in place tight and securely. Extremely helpful in hand tapping / threading situations.【5pcs Sockets in Set】Tap Sockets come in a vinyl holder. #9 socket (70860) is for 5/8″ (16mm), #10 socket (70880) is for 11/16″ (18mm), #11 socket (70900) is for 3/4″, #12 socket (71700) is for 7/8″ (22mm) and #13 socket (71720) is for 1″ (25mm).【1/2” Square Drive】Definitely makes tapping holes a lot easier to have the option to use standard 1/2” square drive ratchets and extension and other power tools, allowing better access to tap holes in a constricted area.【Long-last Endurance】Made of heat-treated, high-quality, impact-resistant steel that lasts longer than common steels. No worry about breaks and cracks. Hole Taps TightHighly recommend as it squarly fits the square shank on the tap, and is held in place tight and securely. Extremely helpful in hand-tapping / threading situations.For Use in tight Spots and Restricted AreasOur Tap Sockets are fantastic tools to simplify tapping new threads to fix stripped and damaged bolt threads. Ideal for use in tight spots and restricted areas where the T-handle will not fit in.