LSM 1000# bench top valve spring tester. Use it in the shop or take it in the trailer. This is a fast and easy-to-use precision bench top valve spring tester. Just bring the spring to installed height, lock down the precision stop and check a box of springs quickly, easily and with precision accuracy. The innovative horizontal design and rubber bumpers on the footprint gives it stability on the bench top. It is rugged enough for everyday use in the shop, yet designed for portability to take on the road. Framework is made from billet alum. that is anodized and the handle turns a acme thread for quick use. The pressure gauge is liquid filled and there is detailed instructions included on how to use and set the tool.