Features: 1.Professionally designed and suitable for 3D printer stepper motor driver 2.Adopting special mesh 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 glue to install this heatsink specification:Description: This stepper driver heatsink is designed for 3D printer to make it work more stable and smoother. The aluminium material and special mesh design enable it to dissipate heat faster. It's very reliable and practical. 1. Professionally designed and suitable for 3D printer stepper motor driver. 2. Adopting special mesh 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 glue to install this heatsink. s: Suitable: for 3D Printer TMC2100 Stepper Driver Material: Aluminium Color: Blue Number: 10pcs / Set Size: Approx. 12.15 * 9.0* 8.8mm / 0.5 * 0.4 * 0.35in Package weight: 11g Package List: 10 x Stepper Motor Driver Heatsink Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia