The Gepe-Pro Heavy-Duty Slider features extremely smooth 40” long polished rails, a Camera Sliding Plate with a 4.5in x 2.75in mounting surface. Supplied with adjustable height feet as well as separate 1/4 and 3/8” threaded tripod mounting holes. Supplied complete with shoulder carrying case for the Slider as well as individual cases to store the end feet. Accepts accessory Gepe Pro Slider Dolly #SK-DA01.