OpenLock floor risers

These are a set of floor supports for OpenLock primary floor tiles. The supports are designed to stack if required enabling them to be combined if required.These currently support OpenLock floor tile sizes E, R, S and U.Each support comes in four different heights for the following purposes: -1-inch - Underside of a tile will be at the top of a low wall2-inch - Underside of a tile will be at the top of a full 2" wall18mm - Top of the tile base is in-line with a low wall37mm - Top of the tile