Hmmm
http://store.yahoo.com/homegym/supergripper.html
The Super Gripper has been designed to give you the widest possible range of resistance settings from 8 pounds to 125 pounds by adjusting the two spring coils included accordingly.
Seems weak compared to the Iron Mind grippers...
http://www6.mailordercentral.com/iro...cts.asp?dept=8
No. 1250 Trainer @ 100 lb
No. 1251 No. 1 @ 140 lb
No. 1252 No. 2 @ 195 lb
No. 1253 No. 3 @ 280 lb
No. 1272 No. 4 @ 365 lb
Mind you only six people have closed the No.3 gripper, and two people have done No. 4
http://www.ironmind.com/ironcms/open...nswhosnew.html