"SLIPSTICK" SMALL CARMEL CASTOR CUPSSlipstick4 Count2"Small Carmel Castor CupsHolds Castors Up To 1-3/4"Provides Strong Grip & Wont Scratch FloorsPerfect For Wood, Laminate & Tiled SurfacesCan Be Used On Carpeted Surfaces AlsoGuaranteed For 5 Years