You will receive one clutch and one end pin . Face measures: 2 5/8 wide x 3 1/4 high Tube size: 1 1/2" Shade weight: up to 24 Lbs. For more than 30 years, RollEase R-Series clutches have been the market leader when it comes to reliability, dependability, and strength. RollEase pioneered the R-Series clutch in 1982 and no one has been able to beat it since. With the R-Series clutch, RollEase revolutionized roller shades, increasing their appeal and types of applications. Our reputation for being the one by which all other clutches are compared continues today. RollEase R-Series clutches are ideal for handling commercial applications or large weights. R-Series clutches stand up to heavy use time and time again. Our unique proprietary spring mechanism creates ease of pull for smooth, uninterrupted lifting of window coverings. R-SERIES FEATURES: Multispring design for easy pull Never needs adjusting – R-Series clutches are manufactured to tolerances within 0.004” (0.1mm) Fiberglass-reinforced resin PBT housing ensures years of trouble-free performance The R-Series distinctive design was worthy of a registered trademark. The internal spring arrangement distributes the interior forces evenly over the inner core to offer a smooth and durable pull. The ratio between the bead chain pulley and the shade tube creates a mechanical advantage that allows the pull forces to raise a shade to be less than the actual weight of the shade.