Sands Level & Tool SL2424 24” Professional Cast Aluminum Level (6 Vials)General Information Brand Sands Level & Tool UPC 030553101145 California Residents Proposition 65 Warning Part Number SL2424 Product Type Level Physical Characteristics Length 24" (609. 6mm) Weight 0. 82 kg 1. 80 lb Material Cast Aluminum; Glass Vials Details Features Durable cast aluminum construction Will not warp or rust Solid set Cat's Eye Yellow double bent vials for accuracy Double bent vials make leveling easier Guaranteed accurate to . 0004