This kit, manufactured in Sweden from HSS steel, contains a total of 13 pairs of steel. Tongue and groove steel (94220HSS, 94221HSS, 94325HSS, and 94326HSS). Railing steel for framing and decking (94208HSS and 95008HSS), window steel including counter profile (94222HSS), a 45⁰ chamfer steel (94343HSS) as well as the popular "bathtub steels" (95038HSS and 95039HSS), Shutter profile with counter profile (94759HSS) as well as tongue and groove steel with 32⁰ bevel (95004HSS and 95005HSS).