38mm Keller Roller Blinds Clutch: 1.Load Max: 13KGS.Max area ... .Material:PA/POM/. 3.Save 30% pull power 38mm Keller Roller Blinds Clutch:1.Convenience installation by wall or ceiling ... than 10000 times.roller blindschainwhich weight < 13KG,area<18M2.Description38mm Keller ClutchPart No.06130200Load Max.13 KGS. Area Max.: 18 ... any question, please feel free to contact me. 38mm Keller Roller Blinds Clutch