Square End Caps,Website:http://www.rhi-global.com, Square Caps Material : Soft PVC Color : Red, Black ,Yellow ,Blue ,Green ,White, Clear, Gray ,Brwon ,Purple ,Orange ,Pink etc Usage : They are used for protecting different meterial of square tubes, pipes, square bars, unistrut, Steel Channel,Fence post,metal poles, square table leg etc Certificate : ROHS, REACH and UL 94v-0 Fire Resistant Standard Standard Size : 30*30mm*30mm , 41 mm*41* 25mm etc Feacture : Stable thickness. Consistant length. Even opening ends. Tidy the wiring works. Smooth and Flexible Surface OEM/ODM : Welcome .Any Logo/Brand or Texture design can be printed on the caps Square End Cap Sizes -on Show L1 ( Length ) ; L2( Inner length ); H( Height/ depth ); T (Thickness ) can be customized as your request Welcome to inquiry us at any time .will reply you ASAP.