We stock Trunking/Channel & Studding End Caps. Our Channel End Caps are available in both 21x41mm and 41x41mm Unistrut compatible sizes and fit securely on the end of trunking/channels and along with the Studding End Caps are available in either Black or White, the Studding End Caps are available to fit M8, M10 and M12 rods securely and are manufactured from Heavy Duty PVC plastic