We have plenty of IOM Rig Kits IN STOCK including No 1, 2 and 3 Rig Kits with 11mm High Tensile Round Masts, 11mm SAILSetc Alloy Round Masts or SAILSetc. 11.1mm Groovy Masts - We also have RM/10 Rater, and A Class Masts and Boom Kits for most rigs as well. - see "BOOM KITS".