The professional quick door clamp is the ideal and exact mounting aid when putting in door frames quick clamp pump system which can be adjusted into position from 660 to 990 mm pivotable supporting plates which even enable you to work on the slant maximum 45 sturdy design clamp is made of a powder coated steel pipe and high strength plastic with large and non slip supporting plates 13 x 8 cm takes weights of up to 40 k weight 092 kg