#Product Trends
Flat hydraulic jack - lock-nut - low-profile
The overflow port can be used as a stroke limiter, while the manufacturer has included a dust cap and a CR-400 coupler with all models.
FPT also manufacturer flat jacks with end stroke ring and in aluminum
Visit :
http://www.fpt.it/en/lifting-equipment/cylinders/single-acting-cylinders-with-load-return-safety-ring.html
for details