Running through the full range of motion has distinct advantages when you're training for useful strength and trying to minimize overuse problems. Load up the 5" loading pin with standard plates (not included), put your thumb on one handle and any combination of your remaining four fingers on the other handle, s-q-u-e-e-e-z-e . . . and get strong.
Sale Telegraph Keys have minor scuffs but are fully functional.
No. 1243-I-A $74.95