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Swing Down Adjustable Leg, ALKO, 420mm-590mm Vertical

Swing Down Adjustable Leg, ALKO, 420mm-590mm Vertical
Corner Jack, Swing Down, ALKO, 590mm
Corner Jack, Swing Down, ALKO, 590mm
Swing Down - Adjustable Locking Position
Rapid adjustment to the Corner Steadies
Kojack Universal Joint fits the 19mm Extension Socket
420mm-590mm Vertical
Included Components
Mounting Bracket
Corner jack and Mounting Bracket
Corner Jack and Mounting Bracket
Foot Plate Swivels
26 In Stock Now.

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20 Reviews


ALKO Hex Drive Drop Down Style Steady Zinc Plated Max length 590mm. These jacks can also provide vertical support, and are therefore more rigid than the traditional angled legs.

Price is for one, corner jack and Mounting bracket, the HEX winder handle NOT included.


These corner jacks drop down to any angle and are then locked in place with the quick release red handle. The winder (not included, but a socket will also do the job) is then used for the last section. The legs rotate through the full 180 degrees so the can be mounted on the left or right sides.

Each jack comes with a mounting bracket that is usually welded to the chassis and the jacks are then bolted to this with the included bolts. The minimum height when set vertical is 420mm, but it can still operate on the angle at any height, just like the traditional wind down legs. When fully extended vertically it will reach to 590mm. This could be further extended with removable blocks.

  • 1 year warranty.


  • Model: RTC605 Road Tech Marine, 006483 Camec, 450-05400 Coast-to-Coast, 30450200
  • Brand: Alko
  • Tested and meet the requirements of the Recreational Vehicle Manufacturers Association of Australia, the Australian controlling body for caravan manufacturing standards.
  • The mounting bracket for welding is 110mm x 75mm. If bolting to the frame the bracket is 100 x 65mm with 80mm hole centres.
  • Shipping Weight: 4.94 Kgs.
  • Shipping Dimensions: 11 cm x 20 cm x 45 cm.

    Our Comments

    Customer feedback on this jack has indicated that when used at a very shallow angle, the locating pins do not fully engage due to the leg metal behind the locating holes. If using in this situation (ie your van chassis is very close to the ground) you can either drill out the holes to a greater depth, or limit the force you apply to the jacks.
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