Feature:1. Non Slip Pattern Design: The surface of the winch bar has an non slip pattern design, which makes the hand grip more powerful and the tapping more stable2. Firmer Locking: Taps, die adapters, after tightening with screws, the lock is firmer, and the thread cutting is more stable and more assured3. Conical Locking Hole: Round threading die is designed with conical locking hole. After the screws are aligned and locked, the locking force is strong and not easy to loosen4. Tool Steel: Made of high quality tool steel material, which is durable and has a longer service life, an indispensable tool for tapping operation5. Wide Application: This tapping set is widely used for model processing, hand made, DIY use, can be used for manual processing and power tools, etc.Specification:Item Type: Tap Die SetMaterial: Tool SteelTapping Range: Approx. M3x0.5mm / 0.02in, M4x0.7mm / 0.03in, M5x0.8mm / 0.031in, M6x1.0mm / 0.04in, M7x1.0mm / 0.04in, M8x1.25mm / 0.05in, M9x1.25mm / 0.05in, M10x1.5mm / 0.06in, M12x1.75mm / 0.07inScope of Application: For carbon steel, cast iron, stainless steel, aluminum, brass, copper Package List:1 x Threading Die Drift Holder1 x Tap Drift Holder 9 x Round Threading Die 9 x Tap 1 x Storage Box