For connecting profiles at various angles up to 180° and for use as heavy-duty hinges (adjustment range ± 90°).When used in conjunction with the spacer rings, they can be used as freely movable hinges. If the spacer rings are removed, they can be used as rigid angle elements, e.g. bracing, and can also be pinned. The Hinges with Clamp Lever can be locked in position or released. Particularly suitable for adjustable holders, swivel-type arms for Parts Containers and other similar equipment.