Australia's leading suppliers of Adjustable House Stumps and Stair Stringers. LevelMaster brings to you a revolutionary new system of stumping, restumping, raising & levelling a home. Adjustable house stumps, 30mm threads fully zinc plated. The strongest most durable adjustable house stump you can buy. Its unique screw together design means no welding, therefore no painting and no rust. Phone today for a free quote and if you can find a better price on a comparable item we will beat it by 5%.