Image 1 of 1 500MC - 500 Micron Card £3.00 Used for medium card in N gauge Smart models kits. Pack contains 5 A4 sheets. Add To Cart Added! Used for medium card in N gauge Smart models kits. Pack contains 5 A4 sheets. You Might Also Like CLRFILM - 150 Micron Clear Film £3.00 MCIP - Matt Coated Inkjet Paper £2.70 IOHP - Inkjet OHP Film £3.00 1MMC - 1mm Thick Card £6.00 SAMCIP - Self Adhesive Matt Coated Inkjet Paper £3.00