Roller Blind Clutch with Metal Bracket & Bead Chain, Roller Shade Clutch for 1 1/2″ (38mm) Tube Replacement Spare Repair Parts Metal Core Clutch Max Load 5KG (11 LBS) Advantage: a) Metal Core Clutch, Durable b). Planetary Gear System, Save 30% Efforts, you will feel lighter when pulling up. Usage: 38mm (1-1/2″) Roller Shade Clutch, Roller Blind Clutch Max Load 5KG (11 LBS), Heavy Duty, Good for engineering project Metal Bracket: 2.0 mm Strong & Solid Package: roller blind clutch, brackets, chain, screws REMINDER: THESE ARE NOT BLINDS THEY ARE THE BLINDS BRACKET/CLUTCH