I purchased a roll of DryTac adhesive. It was not at all suitable for my application (trying to apply it by hand). But when I tried to return it, AllPrintheads told me they could not accept a return because I had used 20" of the 150 foot roll (only 1%), even with agree to pay a 15% restocking fee. Now I'm stuck with a purchase I paid over $500 for that I cannot use.