Pair of sliding screen clamps for use with PMVTROLLEYXL & PMVSTANDAllow a second TV bracket to be installed on the PMVTROLLEYXL\n One screen above the other on the front side of the trolley only.\n \n Allow a third and/forth bracket to be installed on the PMVSTAND\n A screen above or below on either side of the st&.\n \n One set (pair) of PMVTROLLEYXLSC required per additional bracket to be installed.\n \n All PMVmounts products are designed & manufactured in the UK from the highest quality British materials. Features Bracket Type Clamp Colour Silver \n\n\n\n\n\n