Features: Engineered for versatility, this adjustable tap sleeve accommodates taps via two size option while its 3/8" square drive interfaces ensures secure torques transmission without slippage during threading operations. Precise machined from steel with 15mm interfaces depth, the sleeve features anti slip textured grip and corrosions resistant finish for optimal control in demanding workshop environments. Ideal for professional mechanics, metalworkers, and DIYer enthusiasts requiring reliabled tool compatibility across multiple tap sizes in machining or repair scenarios. Perfect for automotive maintenance, industrial equipment assembly, and home workshop projects where stable tap alignment and secure tool connection are critical for precise threading tasks. The standardized 3/8" square drive socket adapter design guaranteeing seamless integration with existing tool sets while reducing tool wear through exact dimensional accuracy in metalworking applications. Specifications: Component: Steel. Size: Small Size: 46x22x22mm/1.81x0.86x0.86inch Large Size: 53x26.5x26.5mm/2.08x1.04x1.04inch Weight: 90g small, 127g large. Specifications: small, large. Package Includes: 1 Set Adjustable Tap Sleeve note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.