Description: 3 types heatsinks,each size 10Pcs,25*15*10mm/25*25*10mm/20*18*15mm 30 TO-220 Insulated Particle, 30 To-220 Insulating Sheet, 30 M3 Screws Uses: Transistor heat sink, MOS tube heat sink Material: aluminum Package Includes: 1Pack Transistor heat sink kit
