This set of cooler heat sink kit includes 10 different small to medium range sizes of aluminum heatsinks. It is totally composed of 100pcs of heatsink. Can be used for cooling of variety of electronics components such as Development Boards VRAM VRM CPU GPU VGA RAM IC Chips LED Laptop MOSFET Transistor SCR Southbridge Northbridge Voltage Regulators m.2 SSD NVMe 2280 2242 22110 modules. Material: Extruded Aluminum 6063-T5 Mounting Style: SMD/SMT Fin Style: Vertical 7mm silvertone aluminum heatsinkDimension: 7mmx7mmx6mm (L*W*H)Unit weight: 0.5grNumber of fins: 4x1Quantity: 20pcs8.5mm silvertone aluminum heatsinkDimension: 8.5mmx8.5mmx8mm (L*W*H)Unit weight: 0.7grNumber of fins: 3x1Quantity: 10pcs 8.8mm black anodized aluminum heatsink Dimension: 8.8mmx8.8mmx5mm (L*W*H) Unit weight: 0.8grNumber of fins: 4x1Quantity: 20pcs10mm black anodized aluminum heatsinkDimension: 10mmx10mmx10mm (L*W*H)Unit weight: 1.8grNumber of fins: 3x3Quantity: 8pcs11mm black anodized aluminum heatsinkDimension: 11mmx11mmx5mm (L*W*H)Unit weight: 1.1grNumber of fins: 4x1Quantity: 8pcs14mm black anodized aluminum heatsinkDimension: 14mmx14mmx7mm (L*W*H)Unit weight: 1.5grNumber of fins: 5x4Quantity: 8pcs 15mm silvertone aluminum heatsinkDimension: 15mmx15mmx6.5mm (L*W*H)Unit weight: 2.2gr Number of fins: 6x1 Quantity: 8pcs19mm black anodized aluminum heatsinkDimension: 19mmx19mmx5mm (L*W*H)Unit weight: 4grNumber of fins: 7x5Quantity: 8pcs20mm black anodized aluminum heatsinkDimension: 20mmx20mmx6mm (L*W*H)Unit weight: 4grNumber of fins: 7x5Quantity: 8pcs22mm aluminum heatsinkDimension: 22mmx22mmx10mm (L*W*H)Unit weight: 5grNumber of fins: 5x6Quantity: 2pcs