Quick view GoJak | sku: GJ5000 GOJAK GJ 5000 SELF-JACKING SKATES PAIR Gojak self-jacking wheel skates. Gojak GJ 5000 Self-jacking skates provide a load limit of 565kg or 2260kg with 4 units. Faster and safer than floor jacks, Gojaks allow you to move vehicles easily... View Details