Features: Good Fitment:This 328.12160 For Sears Floor Jack Rebuild Kit is designed to fit for Sears (Craftsman) Floor Jack 2 tons 328.12160. Suitable for all production years. Repair 2 TONS Floor Jack:Used to replace the old seal kit for Sears Craftsman Floor Jack 2 tons. When your hydraulic jack stops working then it's likely a seal has failed. This causes hydraulic fluid to leak out, the pressure to drop, and the jack to stop lifting. Replacing new jack seals can effectively block external air from entering the equipment, maintaining a good sealing environment and improving the lifting efficiency of the jack. .