SeaSucker Jack Hydraulic Mount. Each set comes with two units equipped with two powerful 120lb pull-strength vacuum mounts. You heard that right - that's 480lb of pull strength combined. No matter how rough the terrain or how technical the trail is your hydraulic jack will stay in place and be easily accessible when you need it Due to the use of hydraulic fluid please make sure to always mount your jack vertically. Specifications for SeaSucker Hydraulic Jack Mount: Manufacturer: SeaSucker Size: One Size Length: 10.8 in Height: 9.125 in Width: 7 in Package Contents: SeaSucker Hydraulic Jack Mount SeaSucker SM2770: Jack Hydraulic Mount