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Double Swivel U-Joint & Handle

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Price: $58.99
Item Number: DRU-2

 


Crank the roll up side up then swing the entire cranking arm, it will swivel around. Set the handle on the ground at 90 degrees to the roll up shaft as seen in photo.

This Double Swivel U-Joint crank with handle works just like our single swivel crank hardware.

It is only needed if the operator must position themselves at extreme right angles to the side being rolled up

Installed hardware outlined in Red on this greenhouse photo. other photos show close up of hardware. Made from strong steel tubing. Fast and simple, our manual crank up hardware for greenhouse roll up sides. Installs in minutes with only three self drilling tech screws (included). simply snap clamp the bottom edge of the poly to your pipe shaft running the length of your greenhouse use 1 3/8” fence tubing or 1” emt tubing (not included).

 Use 1 snap clamp ever 24 inches along the length of the greenhouse side poly. Use #13-G for 1 3/8" roll up tubes or #12-G for 1" emt roll up tubes, our hardware fits both and can be adapted to some sizes of PVC pipe. The bellowing of poly roll up sides can be controlled by lacing 1/4" to 5/6" between the upper wood band and the lower wood band at diagonals over the poly in the closed position (see photo at bottom of page). Poly can then be raised or lowered without the wind bellowing it outward.  (not recommended)


 


 


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