The gripper has a 1/4 inch stroke and a 40 lb. grip force with 10-32 ports.
For availability of Metric (mm) fittings see:
http://www.kkdepot.com/product.asp?key=917
For availability of English (inch) fittings see:
http://www.kkdepot.com/product.asp?key=918
This item is NOS - with 90 day Warranty.
Actual picture of item.
Price $175.00 each (3 available)