Metaltech Adjustable Leveling Jack, Model# M-MBSJP24H by Metaltech Go to amazon.com Related posts Top 11 metaltech leveling jack for 2022 FeatureMetaltech Adjustable Leveling Jack, Model# M-MBSJP24H Description24in. galvanized screw jack with socket (hollow);Adjusts over a 16 in. range;Jacks are especially recommended when scaffolding is assembled along an external wall