6Pcs Tap Wrench & Grip Chuck Kit Set Tool T-Handle Metric M3 to M8 Drift HolderMaterial: Alloy steel Size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25mmFeatures: -- The all-steel design, chrome-plated finish, has the highest durability. -- Exquisite and precise ratcheting action achieves high-quality work. -- The adjustable T-shaped handle can "slide" left and right to facilitate positioning and increase leverage in narrow places. -- Easily switch from left-handed operation to right-handed operation, or lock non-ratcheting operation. -- Easy to use. The parallel clamping tool steel jaws and knurled chuck can firmly clamp the hexagonal or square drive. -- Specially designed for taps, but also suitable for left-hand taps, reamers, screwdrivers and other square handle tools.Parts List: 1 X 6-piece chuck and tapping wrench T-handle drill bit setOther instructions:1. Good holes must be chamfered first2. Use a drill clamp to match the tap3. Click the vertical alignment operation4. Cut 2-3 horizontal rotations5. Confirm vertical after cutting in6. After feeling a quarter, tap 3/4 circle7. Pull out horizontally and reversely after get off workNote: 1.Please allow some error due to manual measurement, thanks.2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.