The powerful magnetic strip is firmly attached to the steel surface. 3 acrylic bottles - vertical, horizontal and 45 degree to provide the necessary measurements on site. The upper reading level window simplifies the viewing of areas narrow. Hang shelves and cabinets, tiles and picture frames with precision. Projection points, horizontal or vertical lines and reticles. High impact plastic shell, durable and lightweight, high impact plastic shell, Durable and lightweight. Introduction: 1.The powerful magnetic tape holds firmly to iron and steel surfaces. 2. Top reading level window simplifies viewing in restricted areas. 3. Hang shelves and cabinets, tiles and picture frames with precision. 4.Projects of dots, horizontal or vertical lines and crosshairs. 5. Three acrylic vials - plumb, level, and 45 degree provide the necessary jobsite measurements. 6.High impact, durable and lightweight plastic shell. 7. V-groove for leveling the pipe and duct. Specification: Shell material: plastic Color: Black + Green Length: 15cm / 6 "" Package Content: 3 x Magnetic Torpedo Level Note: This does not include other things, the color is based on the first picture and other pictures are not show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!