U-clamp with hammer head base, plastic pressure tray made of polypropylene. For vertical and horizontal mounting of 3 individual cables on C-profile rail. For slot width 16 - 17 mm. With 1-start screw on pressure tray, universal hexagon screw head SW10, with slot and Phillips. Suitable for indoor and outdoor installation. Multiple cables should be separated by double trays. The use of a counter tray is recommended.