... laser crossl All kinds of measuring tool like spirit level, laser level, digital level, laserliner, laser crossliner, self-leveling crossliner, square laser ... , rotary laser, anddistance measurerSpirit aluminum level 1) Powder coated aluminum alloy frame at different thickness, ... 1 or 26) Specifications: 12, 16, 20, 24, 32, 40, 48" (300, 400, 500, 600, 800, 1,000, ...