Rental, Disassembling, Re- Disassembling, Measurement, Maintenance, Testing all Drilling and Fishing Jar & Shock Tools KSM provide qualified services by highly trained and experienced personnel: Double acting hydraulic jar Hydra jar Hydraulic mechanical jar Fishing jar Supper jar Surface jar Bown jar Oil Jar Accaltor Jar Bumbar Sub Hydra shock Bull dog baile Sand bailer