| Type | Round LED Heatsink |
| Material | Aluminum 6063-T5 |
| Surface | Non-Anodized (Mill Finish) |
| Diameter (Width) | ⌀140mm / 5.51'' |
| Inner Diameter | ⌀40mm / 1.57'' |
*Special design CNC Machined T-Plugs are built to fit in 1997ASL Round Heatsink for LED PCB applications. T-Plugs are purpose built parts to increase the surface contact area of LED PCB and maximize the heatsink performance.