Mounting sleeve for 975100, gold, Round.Material: brass, outer diameter: Ø 9 mm, height of outer ring: 1 mm, installation depth without 975100: 8 mm, installation depth with 975100: 20 mm, drill diameter: Ø 5 mm to Ø 5.5 mm - depending on the material, fastening type: glue (using Brumberg adhesive 48290000) .