Pole Jacks
Advanced Pole Jacks--7 to 16 inches long.   12 inch pole jack weighs
1.3 ounces.
Price:  7 to 12 inch jacks are $20   12-16 inch jacks are $23

These work with just about every tip and basket combination except
Black Diamnd Z-pole tips.

Measure from where the pole jack will rest on the tip of your trekking
poles. See pictures for details. The pole jacks in the images have cut
aways so you can see the fit inside.

  ___7 to 12 inch long jacks in stock___

 ___12 to 16 inch long jacks in stock___
Size
Fizan tip
Black Diamond tip
Black Diamond tip
Leki style tip
Leki style tip