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12 Ton 8" Extension

Safe Jack

  • $ 10700

PN: 37213
UPC: 854185005530

The 8-inch Bottle Jack Extension adds a whopping 8 inches of height to the available stroke of a bottle jack. Don't risk your health and safety piling up unstable wood or rock under the jack; start lifting safer! Multiple Extensions can be stacked to increase the height of the hydraulic cylinder (ram.) All of our made-in-the-USA Extensions and Lift Pads feature a solid steel shaft.

Safe Jack utilizes the Extension Screw Collar to create a secure engagement for the Extensions and Lift Pads, as well as to maximize the available stroke to an additional 1.5 inches. These premade Extension Screw Collars are measured specifically for the bottle jack brands we carry. If you have your own bottle jack you wish to use instead, you may need to purchase a Custom Extension Screw Collar. If you opt out of purchasing a Custom Extension Screw Collar altogether, the adapters may still work, but you will not achieve the additional 1.5 inches of stroke. The 12-ton adapters will fit over a bottle jack saddle diameter of 1.25 inches - 1.75 inches (31.75 mm - 44.45 mm.) If the hydraulic cylinder (ram) is significantly smaller than this, we advise against using the adapters without an Extension Screw Collar, as the point of engagement will be unstable.

Purchase a Custom Extension Screw Collar

Purchase a Safe Jack 12-ton Extension Screw Collar (Premade to fit the jacks we carry)


  • Fits over bottle jacks with 1.25 inches - 1.75 inches (31.75 mm - 44.45 mm) diameter saddle
  • 2 inches of internal engagement
  • Steel construction
  • Durable powder coat finish
  • Compatible with most bottle jacks
  • Numerous stacking combinations with other Safe Jack Extensions & Lift Pads
  • Made in the USA


    Customer Reviews

    Based on 6 reviews
    Eric Sias (Washington, US)
    Safety First

    I ordered the 12 ton RV kit
    After receiving the order I am pleased with the quality of the kit
    I visited the safe Jack website and bought the additional accessories.
    The extra extensions are a great idea to have if you have various vehicles and trailers
    So far everything I have bought from Safe Jack is top quality and it’s nice to support an American made product

    Robert McMasters (Hope, US)
    Safe Jack’s

    I can’t give a review on them in action, but I can give a review on customer service and quick delivery. Five star all the way. Also a five star on how well built they are……tank material. As soon as I have a need for them I’ll send pic’s, buy very happy.

    Roberto J Martinez (Tolleson, US)
    8 inch extension

    Great quality and works as advertised.

    Darryl Nicewander (Aberdeen, US)
    12 Ton Jack Accessories

    Great order experience. Received quickly. Very satisfied customer.

    Bruce Irvine (Canton, US)

    The quality of the equipment is great. Welds are smooth and nicely done. Great for lifting a heavy RV!

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