Compatible with DELTA SA446 TYPE 1 electric sander. Outer circumference 16 inches, width 3/8 inches, tooth spacing 0.2 inches, please check the size carefully. Made of wear-resistant industrial-grade rubber, high tensile strength, not easy to break, suitable for high-load, high-frequency working environment. Standard tooth structure ensures smooth transmission during operation, prevents slipping or tooth skipping, and improves equipment working efficiency. Replacing the drive belt effectively reduces vibration and noise, improves the stability of the whole machine, and extends the service life of the sander., Manufacturer: Briny River