spirit level tool 1)Size:16"/40CM,20"/50CM,24"/60CM 2)With three vials,one horizontal,one vertical 3)Milled bottom surface spirit level tool1)Material:casting aluminium 2)Size:16"/40CM,20"/50CM,24"/60CM3)With three vials,one horizontal,one vertical4)Milled bottom surface5)Packing: 1pcs/shrink packing6)Available color:Red,Yellow, Green, Blue etc.7)Delivery Lead time:30-45 days