Ceiling outlet clamp for IMPU cables, can be used for 2-, 3- and 4-core flat cables, impact-resistant, halogen-free. To prevent plaster damage, Impu end clamps must be used on every cable outlet unless wall outlet boxes are specified! Fastening is done using steel nails, screws or ceiling hooks with dowels. Dimensions (approx. dimensions) W: 50 mm Material: PS (polystyrene) Color: white