I called Bill's Tractor & Equipment to order a small sight glass to replace the one on my tractor. When I was told that the shipping charge was going to be over $10., which would double the price of the order, I decided to buy two sight glasses so that I would have a spare and wouldn't have to repeat the process if I ever had the same problem. The person taking my order agreed and said that he would change the order to 2 sight glasses. By the way, both sight glasses could have been shipped via USPS in a regular sized envelope.
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