Primary Pro Insulation Sealing Rings - 22 & 28mm

Primary Pro sealing ring improves the finished seal appearance of a core drilled hole for 22 (P/N 26625) and 28 mm (P/N 26208) Primary Pro Insulation and the Primary Pro 22/28 mm Wall Sleeve (P/N 26631).
Supplied in a pack of 10.

Use P/N 26628 100 mm dia. grinder head for a 4 mm recessed flat face on the wall surface.