Catalog number: NFP-75 Features: ●The length can be adjusted to a wall thickness of approximately 100 to 180 mm, so there is no need to cut the through sleeve to fit the wall thickness. Uses: ●Through sleeve. Specifications: ●A (outer diameter) (mm): 76.5 ●B (inner diameter) (mm): 65.5 ●C (mm): 100 ●Core drill diameter (mm): 80 ●Inaba Denko New Through Sleeve Material/Finish: ●Polyethylene (PE)
