The Ideal Hose Clamps #16 5216051 are a set of 20 high-quality stainless steel hose clamps designed for use with hoses ranging in diameter from 11/16" to 1 1/2". The clamps feature a 16-inch exterior diameter and are manufactured by the reputable brand Ideal. These durable and reliable hose clamps are essential for securing coolant hoses in automotive and truck cooling systems, ensuring a leak-free and efficient operation. QTY OF 20 CLAMPS