Floor Jack Seals Kit Fit for Lincoln Walker Model 93642 All Series Floor Jack Series B C E 2 Ton. Function -- A complete seals kit covers all of the seals you need in the whole hydraulic unit. Premium Material -- Made of top materials Viton and High Grade Urethane Seals to leakproof, wear-resisting and durable, ensure you will only have to rebuild your unit once for the life of the unit.