Engineered for strength and low friction: Single groove Vpulleys crafted from grade aluminium alloy for strength and minimal friction. Outer diameters range from 20 mm to 80 mm to suit your mechanical requirements in various power transmission applications. Compatible belt design: Designed with a 6 mm width groove to accommodate standard PU round belts, ensuring proper fit and power transfer while reducing belt wear and slippage during operation for smooth and reliable performance. Versatile applications: Ideal for motors, mini spindles, model transmission designs, and numerous mechanical systems requiring precise motion transfer. These pulleys provide consistent torque delivery across multiple industrial and DIY projects. Secure installation: Each pulley comes complete with fixing grub screws for straightforward mounting, allowing quick attachment to shafts while maintaining proper alignment and preventing unwanted movement during operation. Typical uses: Use with small motors and compact automation setups to drive short belt loops. Apply in model transmission designs and hobby CNC or robotics projects that require accurate timing and torque. Suitable for lightweight spindle setups and other DIY mechanisms needing reliable motion transfer. Specifications at a glance: Material grade aluminium alloy. Groove width 6 mm. Outer diameter range 20 mm to 80 mm. Mounting includes fixing grub screws for secure shaft attachment.