GloOrange Contractor Post Level, Durable High Impact Plastic Body With 90 Degree Bend, Acrylic Yellow Barrel Vials With Patented White Reflective Backer Plates For Easy Vial Reading, Rubber Strap Attached To 1 Side Of Level Body Eliminates Loss & Allows For Hands Free Use, Hooks Quickly & Easily To Any Post, Pole Or Stringer.