Accuracy: 1/32 in. | Brand Name: STABILA | Color: Yellow | Length: 10 in. | Level Type: Torpedo | Magnetic: Yes | Material: Aluminum | Number in Package: 1 pc. | Number of Vials: 2 vial | Style: Type 81 SM | Usage: Leveling | Weight: 0.5 lb. Stabilaà ¢Ã¢â€š ¬Ã¢â€ž ¢s type 81SM magnetic torpedo levels feature I beam die cast frames, milled measuring surfaces, rare earth magnets, hang holes and very accurate plumb and level vials. These unique die cast aluminum frames are some of the sturdiest and most recognizable spirit levels on the market. Stabilaà ¢Ã¢â€š ¬Ã¢â€ž ¢s type 81SM magnetic torpedo level tools can easily be used for many different leveling applications and are very popular in North America. | Compact, tough, great looking and great feeling die-cast aluminum profile | Completely water proof | Spring steel hairline indicators inside the vials | One precision-milled measuring surface | Stabila precision vial manufacturing and installation technology delivers best in class durability and reliability | One horizontal (level) vial and one vertical (plumb) vial. | Vials are bright and easy to read | Strong recessed rare earth magnets | Stabila installation technology ensures long-term accuracy - measuring accuracy in normal position is  ± 0.5 mm/m and  ± 0.75 mm/m in reverse position | Will function effectively in extreme temperatures