Specifications: NameElectric Wheelchairs Joystick Knob & Gaiter ColourBlack MaterialSilicon rubber Size( Joystick Knob)approx. 40 x 42mm/1.57" x 1.65" (height x outer diameter Size( Joystick Gaiter) approx. 35 x 28mm/1.38" x 1.1" (height x inner diameter) Dustproof New, unused, unopened, undamaged item Condition:100% Brand new and high quality Manufacture:China,Chinese Factory Homegrown products comptiable with SaleFriendly Tips: Please allow minor error of measurement,due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks comptiable with your understandingPackage Included 1 X Joystick Knob 1 X Joystick GaiterProducts from WUZHOU's store