Features ACCURATE TILT READING: Each meter monitor ‑10 to 10 degrees of tilt. The brass ball is placed in a special damping fluid for smooth, accurate level gauge readings EASY TO READ: Bubble level adhesive bright brass ball indicators in the components provide higher visibility than traditional bubble levels CLEAR DISPLAY: Sculpted and hand drawn numbers make mini bubble level adhesive display powerful and easy to read SHATTER PROOF DESIGN: Slope indicator tube assemblies are made of rugged copolymer hoses for excellent durability. Can be installed inside or outside of an RV, camper or trailer EASY INSTALLATION: RV bubble level adhesive is fitted with adhesive tape and come with a adhesive for easy attaching. Two guide holes are included for screw mounting. Pair with the leveling block for a full camping trailer leveling system 1. ACCURATE TILT READING: Each meter monitor ‑10 to 10 degrees of tilt. The brass ball is placed in a special damping fluid for smooth, accurate level gauge readings 2. EASY TO READ: Bubble level adhesive bright brass ball indicators in the components provide higher visibility than traditional bubble levels 3. CLEAR DISPLAY: Sculpted and hand drawn numbers make mini bubble level adhesive display powerful and easy to read 4. SHATTER PROOF DESIGN: Slope indicator tube assemblies are made of rugged copolymer hoses for excellent durability. Can be installed inside or outside of an RV, camper or trailer 5. EASY INSTALLATION: RV bubble level adhesive is fitted with adhesive tape and come with a adhesive for easy attaching. Two guide holes are included for screw mounting. Pair with the leveling block for a full camping trailer leveling system Spec: Item Type: Bubble Level Adhesive Material: ABS Suitable: For RV leveling, medical bed leveling, woodworking leveling packing list: 1 x Leveling Ruler 1 x Adhesive Tape Package List 1 x Leveling Ruler 1 x Adhesive Tape