65 and 85 kg. The size 4 spring is suitable for interior doors up to 48 122 mm and exterior doors up to 42 107 mm. Applicable door weight should be between 143 and 187 lbs.
C R Laurence Dc54blk Crl Black Size 4 Surface Mount Door Closer By C R Laurence 45 02 C R Laurence Dc54blk Crl Closed Doors Home Hardware Exterior Doors