Catalog number: NFP-60 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): 61.5 ●B (inner diameter) (mm): 50.5 ●C (mm): 85 ●Core drill diameter (mm): 65 ●Inaba Denko New Through Sleeve Material/Finish: ●Polyethylene (PE)
