Framers worldwide seek out OOK for their framing needs. Framers can buy the OOK hangers in wholesale/bulk or they can buy them in retail packaging and sell them with the artwork they are framing. You can contact our OOK Industrial customer service at the following numbers below for wholesale/bulk pricing: Toll Free Phone:855-270-OOKS(6657) Phone:1-954-973-3931 OOKinfo@hillmangroup.com