The Ridgid 46215 is a replacement collar assembly. The assembly is used on the Ridgid 300 power drive. idgid products offer unmatched durability and reliability. Ridgid has remained the symbol of certainty to dedicated professionals of the expert trades. Every tool that bears the Ridgid brand is engineered to the same high standards of quality and strength and endurance, as the first heavy-duty pipe wrench more than 80 years ago. Ridgid covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool.