KASON® - 10486AF0400 INSIDE RELEASE;COLOR: GRAY CUP;INCLUDES: GLOW-IN-THE DARK KNOB;LENGTH: 4-3/4" ROD, 121 MM ROD;MATERIAL(S): PLASTIC;NOTE: FOR DOORS 4" THICK;OUTSIDE DIAMETER: 7-1/4" FLANGE, 1/2" ROD, 184 MM FLANGE, 13 MM ROD;TYPE: FROST-RESISTANT FIBERGLASS ROD;RECESSED;WEIGHT: 0.723 LB