Features a brass grommet with an ID of 1/4″ Can be attached with a metal fastener to walls, carts, equipment racks or van interiors Features a non-metallic buckle Budget friendly Cable Management 2,000 Release Cycles The EconoCinch-EG features a brass grommet with an ID of 1/4″. It can be attached with a metal fastener to walls, carts, equipment racks or van interiors. Like the EconCinch, it features a non-metallic buckle. 2,000 Release Cycles.