The plastic holders are for easily attaching LEDs to boards, that suitable for use with inner diameter 3mm, 5mm, 8mm, 10mm LED. The product is with good workmanship, long service lifespan sturdy and durable. 1 lot of 50pcs LED light sockets, enough for your use.

Specifications:
Condition: 100% Brand New
Material: Plastic
Color: Black as picture
Working Temperature: -20~120
Inner Diameter: Approx.3mm (0.12in), 5mm (0.2in), 8mm (0.31in), 10mm (0.39in) (optional)
Dimension:
Inner Diameter: Approx. 3mm (0.12in), External Diameter: Approx. 6mm (0.24in)
Inner Diameter: Approx. 5mm (0.2in), External Diameter: Approx. 8mm (0.31in)
Inner Diameter: Approx. 8mm (0.31in), External Diameter: Approx. 12mm (0.47in)
Inner Diameter: Approx. 10mm (0.39in), External Diameter: Approx. 14mm (0.55in)
3mm socket loaded 3mm of LED light-emitting diade
5mm socket loaded 5mm of LED light-emitting diade
8mm socket mounted 8mm of LED light-emitting diade
10mm socket mounted 10mm of LED light-emitting diade
Package Weight: 9~46g

Package Included:
1 x Lot of 50Pcs 3mm/5mm/8mm/10mm Sockets