It is the buyers responsibility to examine all items to determine if an item is safe for use - the buyer accepts all responsibility for use of items purchased
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Here is a cool item - the early type (we think it's earlier - not 100% sure) campagnolo pump clip part number 648. You get just one - it looks like an arrow. New and shiny, typically use see some roughness by the brazed joint (this thing actually has a brazed joint!). We have a handful of these, the photos are representative of the quality item you will receive.