1. Adjustable Ratchet Tap Wrench: This tap wrench is designed for M3 M12 threading and made of durable bearing steel, enabling adjustable and precise thread cutting. 2. MaterialConstructed with speed steel 4241 and bearing steel for strength and durability. The tap wrench weighs 115g, while the bearing steel taps weigh 35g for M3 M8 and 93g for M3 M12. 3. Suitable for Metals: Designed for use on aluminum and iron plates, providing reliable and efficient thread cutting for various applications. 4. Easy Installation and Operation: The tap wrench securely holds the tap, allowing for simple installation and operation, ensuring precise thread cutting. 5. Non Slip Design: Features an anti slip grip design for a firm hold and prevents slipping during use. The taps have fully ground straight flutes and a detailed thread design for clean thread cutting. 6. SpecificationsProduct Name: Tap Wrench M3 M12 Bearing Steel Tap Set, Material: Speed Steel 4241/Bearing Steel, Size: As shown, Color: Silver.