Basic knowledge of Rubber Rollers(7,8,9)::Katsura Roller Mfg. Co .Rubber rollers with various types of cutting are widely used in various fields. The main purposes of . (h)to improve contact stability with papers or plastic films. The standard shapes . Vertical, Horizontal, Diamond, Screw-thread. V-Groove, V-.vertical roller raise,Manual Shades - Roll A ShadeInformation about Roll-A-Shade's manual roller shade systems. . simply pull down on the control chain to either lower or raise the shade to desired height.
vertical roller raise