24pcs=12pairs per lot, T8 to T5 converter
Allow you install T5 4ft/1165mm fluorescent tube into T8 socket, if other watts T5, but length is the same 1165mm, you can also use.
Only for CFL Fluorescent tube, NOT for LED which are usually wider in Dimension
PBT Housing Copper contact material,All voltage workable: 100-250V AC
If you need install T5 565mm into T8 2ft fixture please choose: L31 https://www.amazon.com/dp/B07SGP11LB