The McAlpine BOSSCONN110Z-BL Black Mechanical Soil Pipe Boss Connector is a plumbing component designed for connecting a branch pipe to an existing soil pipe in soil waste and drainage systems. It is suitable for use with a 4"/110mm soil pipe and features a 57mm hole saw size. The connector is supplied with a fixing tool for easy installation, creating a secure and watertight seal. This black connector is made from high-quality, durable materials for long-lasting performance. It supports 1¼" and 1½" waste pipe sizes and is suitable for waste water and condensate discharge. The connection is a simple dry fixing mechanical type, universal for pushfit or solvent weld waste pipe.