Features:

1. 6pcs E17-TO-E27 socket converter in a pack
2. Max. Electric Current:2A. Max.Voltage:250VAC
3. Applicable with incandescent bulb, CFL bulb & LED bulbs under electric current limitation
4. Material:Durable temperature Resistance Plastic Housing.Heat Ressitant approx.200°C
5. Simply converts E17 lamp to standard E26 E27 bulbs

Specification: 
.Material:PBT Temperature Resistance Plastic 
.Dimension:Dia40mm X H59mm / H 1.58" X Dia 2.32" 
.Max Voltage/Current: AC250V / 2A 

Installation: Twisting the adapter into your E17 base fixture, then you are free to use any regular screw-in bulb. 

Package: 
6 units Adapter in a pack