1、Professionally designed and suitable for 3D printer stepper motor driver 2、Adopting special design and aluminium material to achieve faster heat dissipation 3、The fins increase the area of board and improve the cooling effect 4、High quality and durable with long service life 5、Easy to install, use back glue to install this heatsink Description: This stepper driver heatsink is designed for 3D printer to make it work more stable and smoother with no stuck. The aluminium material and special design enable it to dissipate heat faster. It's very reliable and practical. Features: 1. Professionally designed and suitable for 3D printer stepper motor driver. 2. Adopting special design and aluminium material to achieve faster heat dissipation. 3. The fins increase the area of board and improve the cooling effect. 4. High quality and durable with long service life. 5. Easy to install, use back glue to install this heatsink. Specifications: Suitable: for 3D Printer TMC2100 / LV8729 Stepper Motor Driver Material: Aluminium Color: Blue Quantity: 10pcs / Set Size: Approx. 14.45 * 14.30 * 13.30mm / 0.6 * 0.6 * 0.5in Weight: 40g Package List: 10 x Stepper Driver Heatsink with Back Glue