4 fixing holes. Accessory for mast pole installation of satellite dish or aerial antenna. Material: quality steel 3 mm with galvanized surface approx. 0.24?. For fixing a mast to the wall or roof rafter, for pipe diameter 48-50 mm. Material: Galvanised steel – Material thickness: 3 mm. For attaching an antenna mast, flagpole, parasol or similar to a wall, rafter, wooden beam. Mast Clamp for mounting a mast tube of 48 – 50 mm diameter.PRODUCT DESCRIPTION Style Name:48 mmPRODUCT DESCRIPTION With this mast clamp an antenna mast up to 50 mm diameter is attached to a rafter or a wall. Then a satellite dish or antenna can be mounted on the mast. The mast clamp is made of galvanized steel. To further stabilize the mast, a second mast clamp or a mast foot can be used. BOX CONTAINS mast holder clamp