Diamond Brand coil spring traps were very advanced for the1923-31 period in which they were manufactured and would still be a highly effective trap today. The #1 size coil spring offered here was marked #31 and reads Frame Jaw on the pan which together denote a second model wire lever trap with double jaws This trap has strong springs and complete chain and ring and the pan reads very well. This trap conforms to eBay policy with jaw spread less than 5 1/2 inches