Save time on drywall installation with Delko Zunder! The tool features a unique double-sided applicator that allows you to simultaneously apply compound and joint sealing tape to flat joints, inside corners and square structures in minutes, eliminating the need for time-consuming adjustments. The dual-sided applicator is made of durable polycarbonate and features a convenient dial for adjusting compound flow rate. The single clamp design allows quick access for loading and cleaning. The tool is designed for use with paper tape or paperless fiber tape and accommodates rolls of sealant up to 500 feet long. With adjustable padded handles on both sides, the tool can be used by either left or right-handed users.