S. Parker Hardware Grade 1 Extra Heavy Duty Ball Knobs

S. Parker Hardware Grade 1 Extra Heavy Duty Ball Knobs Are Used For Entrance And Passage Doors For Classrooms, Offices And More.

Heavy duty ball knobs are made using cold rolled stainless steel and a zinc dichromate finish for corrosion resistance and durability. Ball knobs project 2-1/2” away from door surface. Guarded latchbolt on all locking functions. Two keys per lock are included. Locks will accept Lori plugs. Ball knobs are non-handed. Includes 2-3/4” backset and 4-7/8” ASA strike. Installs in doors from 1-3/8” to 2” thick. Choose from Entry Lock Boxed Ball Knobs or Passage Set Boxed Ball Knobs. Ball knobs are UL® listed. Sold in case quantities of 20.