Entire acrylic high transparent vail, shockproof, never leakage, precision 30'±6,be fit for level measuring instrnments. Spirit level key chain Jinhua Hengda Tools Factory is one of the professional measuring instrument manufactures in China. Our product category includes: various level vials, glass vials, spirit levels, aluminum spirit level, square, Line tape, chalk line reel and spirit level keychain etc. widely apply in laser spirit levels, teaching instrument, electric tools and Hand Tools, etc. popular in domestic and foreign markets; Contact us if you need more details on key chain. We are ready to answer your questions on packaging, logistics, certification or any other aspects about spirit level key chain、bubble level. If these products fail to match your need, please contact us and we would like to provide relevant information.