Can someone tell me how to install these? I can't seem to get the right angle to allow the door to close. thanks!

I'm having trouble fitting them for drop down door also. The door comes down about 90 % from opening to open position. But the piston hinge is difficult to figure out the position. I think I fully extend it first, then position the door at the desired maximum opening angle (my case about 90 degrees). Then match the fully extended piston hinge into the position with as much vertical position possible because you will need the piston to contract and move into complete vertical position as the door closes. Is that about right?

Would these work on a pull down spice shelf from under an upper cabinet?

I doubt it. Their primary purpose is to hold a lid up, not hold it closed. The damper relies on gravity to keep any cover shut, so it probably won't be able to support the weight of a spice shelf in place while it's closed.

Material	Brass
Brand	douper
Finish Type	Chrome
Mounting Type	Door Mount
Hole Count	2
Weight Limit	22 Pounds
Net Quantity	2.0 count
Manufacturer	Douper
UPC	635133169777
Item model number	DP057-GAS
Package Dimensions	22 x 7 x 2 cm; 230 g
ASIN	B06Y42RVJH

Douper 100N/22lb Gas Spring Hinge Slow Down Drop Leaf of Cabinets Desks Slowly Open Drop Leaf Pack of 2

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