Feature: 1. Firmer Fixing: Prevents the LED on PC board from bending, breaking and short circuit as well as keeping it in consistent height. 2. Standard Size: Sound in shape, the plastic standoff is designed to have 3mm inner diameter, 4mm outer diameter and 15mm height. 3. 150Pcs in All: There are 150pcs nylon spacer in the set, and the large quantity will simplify the replacement of damaged parts. 4. Good Material: Adopting high quality nylon material that is insulated, which is very safe in working and durable for long using. 5. Easy to Install: Light in weight and compact in size, the convenient installation can be quickly completed in several minutes. Specification: Item Type: Nylon Standoff Material: Nylon Colour: White Function: Used for the protection of LED standing on the PC board, so that the height is consistent. The middle partition design ensures that the pins will not be bent, broken or short circuited. Fire Rating: 94V-2 Working Temperature: -20℃-120℃ . Package List: 150 x Nylon Standoff Note: Pay attention to safety protection when using.