Housing: Cold rolled steel and zinc dechromate finish for rust resistance with precision cast steel retractor. 2-1/8" diameter bore.
Trim: Thru-bolted assembly through door with separate spring cage for each lever. Matching design to SL Series Grade 2 levers.
Lever: Full length 4-3/4" lever handle with 3/8" return on GN and SPA Design.
Rose: Rose diameter 3-1/2".
Concealed mounting screws.