[ MAIN PARAMETER ] small heatsink with a M3 size hole; Size 1: 20 x 15 x 10 mm / 0.79 x 0.6 x 0.4 inch (LWH); Size 2: 17 x 15 x 10 mm / 0.67 x 0.6 x 0.4 inch (LWH); Size 3: 16 x 15 x 7 mm / 0.63 x 0.6 x 0.3 inch (LWH). [ MATERIAL ] Aluminum Alloy material is lightweight and dissipate heat fast. [ APPLICATION ] This heatsink is designed for cooling transistors, diodes or voltage regulators (TO-220 components). [ FEATURE ] Without any support pin, this makes it good for prototyping and PCB. [ 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.
