The product is manufactured in china</br>The product is highly durable and easy to use</br>Easy installation and easy handling</br>Shackle length adjusts from 5/8-inch to 2-inch</br>Warded locking mechanism minimizes jamming from dirt and grime</br>adjustable shackle ensures snug fit to the locked item</br>removable adjustable shackles provide maximum application flexibility</br>1-3/4-inch wide laminated steel lock with standard steel adjustable shackle</br></br>Product Description</br></br>Master Lock 510D 1-3/4-inch wide lock with adjustable shackle. Removable adjustable-length shackle from 5/8-inch to 2-inch provides maximum application flexibility. Steel shackle provides strong cut resistance. Warded locking mechanism minimizes jamming from dirt and grime. Duplicate keys not available.</br><br/>http://www.amazon.com/gp/product/B00004SQL2