Hager Hager Apollo Extra Heavy Duty Grade 1 Classroom Door Knob Set from the 3400 Collection

3400 Collection Apollo Extra Heavy Duty Grade 1 Classroom Door Knob SetHager's 3470 Grade 1 classroom knob set with Apollo knob is designed and engineered to withstand the most abusive environments. It is categorized ‘extra heavy duty’ and you can rest assured that it has been tested against heavy use, impact, strength, resistance, and abuse. Hager is so confident in their 3400 Series that it is backed by a lifetime warranty. The exceptional quality of the 3400 Series lock has made it incredibly successf...