10 Packs TO-220 Heatsink + Insulator Mounting Screws Kits for LM317 LM317t L7…
TO-220 heat sink set includes 10 pcs Black Anodized Aluminium TO-220 Heatsink + Screws + Washer + Bushing and Insulator rubberized Silicone. 10 pcs TO-220 insulation kits: Screws + Washer + Bushing and Insulator rubberized silicone.