Calculator

Parallel clamp size by opening

Enter needed jaw opening (in). Get a 24 / 30 / 36 in parallel-clamp class or NO_MATCH. Confirm live opening and throat depth before you buy.

Result

Enter values to begin.

Worked checks: 20 → 24 · 28 → 30 · 34 → 36 · 40 → NO_MATCH. classLbs equals max opening inches (24 / 30 / 36).

Guides

Ladder limits and when to use a longer clamp.