About
Evans Engineering, Inc.

• 30 Years experience in the design, maintenance, and distribution of jar products worldwide

• Innovative LockJar products and proven designs provide the best jar technology available to our customers

• State of the art manufacturing capability allows the company to meet quality control goals and respond to increased customer demand for LockJar products

Hydraulic time delay allows for use of maximum force available through surface pull to create an impact. Mechanical tools can use a max force equal to its highest lock setting when creating an lock setting when creating an