Greetings All, I am looking for some Ludlum Model 2929's. If you have any extras, please call or email. Thanks, Rob Robert J. Gunter, CHP CHP Consultants Oak Ridge, TN Ph: (865) 387-0028 Fax: (865) 483-7189 rjgunter at chpconsultants.com Products and Services at: www.chpconsultants.com