... : 59 brass 2. polishing 3. upside have 2--12 holes, 4. backside have no hole, 1 hole, or same with upside ... mm11.Main pipe thickness: 2.0mm-2.2mm12. Outlet: 3/4’’ M X 18 ( 16 x 2.0 /20 x 2 ... , nickel plated color, chrome plated colorsurface treatmentpolishingloops:4-loopsloops available2--12 loopsoutlets:3/4"certificateCE and ISO management certificatedistance between loops50mmmain tube ...