The caster or spacer receptacle insert is made of nylon and is used with a Quick Frame profile which has built-in ridges that bite into the fastener to create tension without the use of additional hardware. It enables the mounting of casters for mobility or the addition of spacers between profiles. The caster or spacer receptacle insert requires no machining services.
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.
