Westcott LunaGrip Westcott LunaGrip for 20 to 42" Diffusion Discs and Shoe-Mounted Flash Units - Rods - Westcott 1 Year Limited Warranty Fits Range: Discs from 20 to 42" / 50.8 to 106.68cm Dimensions: Unit: 14.6 x 7.1 x 2.2" / 37.08 x 18.03 x 5.58cm Weight: 2.4lbs / 1.08kg