HIGH- VISIBILITY BUBBLES FOR EASY READING: 8" level and 6.25" torpedo level with 4 high- visibility bubbles (0/30/45/90) . 2.5" torpedo level has a 90 high- visibility bubble. Large hexagonal windows Large top-view vial windows makes it easy to read from 3 angles (front, back, top). Yellow-green vials highlight bubble edges, enhance contrast and improve readability. PROFESSIONAL TOOLS: Aluminum alloy frame construction for durability and strength. V-groove enables the torpedo level has legit stability on round stock. Thumb screw design frees up your hands and enables measurement of angles while bending by attaching it to a pipe or thin object. Shock-absorbing structure hold up to daily use. This multi-purpose level is designed for household furnishings, personal wood processing and carpentry work, can be used for decoration and home improvement projects. POWERFUL MAGNETIC: Powerful rare-earth magnets prevent leveler tool from falling out during use. 8" level has 4 N35 rare-earth magnets on the bottom. 6.25" leveler tool has 4 N35 rare-earth magnets on the bottom. 2.5" torpedo level has 2 N35 rare-earth magnets on the bottom. 8" torpedo level and 6.25" torpedo level with magnetic force greater than 9.92lb. 2.5" leveler with magnetic force greater than 2.2lb. ACCURATE SAE AND METRIC SCALE: Vials of the level provide maximum accuracy of 0.5/1000 and levels with accurate sae and metric scale, which will allow you to complete your project more perfectly. DURATECH level is applicable to a variety of work scenarios and meet all daily needs. EASY TO CARRY AND STORE: you will get 3 levels but only need to pay once. The 2.5" level is 2.5" long, 1.45" wide, 0.67" high, and weighs 2.65oz. The 6.25" level is 6.25" long, 1.45" wide, 0.67" high, and weighs 5.47oz. The 8" level is 8" long, 1.45" wide, 0.67" high, and weighs 7.58oz. Hanging hole design and small size make it easy to carry and store.