50544 Multihole Interface

3M Hookit Interface Multihole 50544 is a 150 mm backing pad designed for use with Hookit abrasive discs. The multihole pattern aligns with dust-extraction discs to help maintain dust removal and consistent sanding performance. Use as an interface between the sander and abrasive for reliable attachment and easy disc changes. Standard variant — no color, size, or packaging differences from the base product.