Checkpoint Mega Mag G3 Professional Torpedo Level Red (# 305 ) CNC Milled accuracy, Billet 6061alluminum Alloy 6 Precisions Vials at 0, 22.5, 30, 45, 90 degrees and top view bullseye vial MagaMag is capable of working on all planes 4 Rare Earth Magnets Hold 30 times its weight Lifetime warranty