Feature:
This heatsink is designed for cooling transistors, diodes or voltage regulators (TO-220 components).Aluminum heatsink can be applied on 3D printers, IC, electronic, computer's chip component heat dissipation or anywhere you need an efficient heatsink.

Specification:
Heatsink Material: Aluminum Alloy
Size 1: 20 x 15 x 10 mm / 0.79 x 0.6 x 0.4 inch (L*W*H)
Size 2: 17 x 15 x 10 mm / 0.67 x 0.6 x 0.4 inch (L*W*H)
Size 3: 16 x 15 x 7 mm / 0.63 x 0.6 x 0.3 inch (L*W*H)

Package Content:
10 x Size 1 Heatsink
10 x Size 2 Heatsink
10 x Size 3 Heatsink
30 x Blue Silicone Pads
30 x Screws
30 x White Plastic Insulators
1 x Plastic Storage Box