Includes 4" Tool Portsx 1; 4'' Steel Hose Clamp x 1.
Durable ABS plastic end( 4.15" OD , 4" ID) is suited for ID 4.15 inch dust collection fitting and vacuum hoses.
Rubber boot 4" ID (inside diameter) and a hose clamp fit a 4" OD (outside diameter) power tool port.
ABS plastic port is tough and wear-resistant, which can extend the use time.
Rubber boot ensures tight fit, even variations in port size.