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KEYCHAINS: 3RC keychains are made from complete as-produced PCBs, not pieces cut from larger boards. Small boards go through all the same production stages as large ones, and prototypes of 1x1 inch boards are therefore almost as expensive to produce as boards 20 times their size. All edges are therefore router-smoothed and will never snag on fabric. We have a huge variety of sizes, colors and shapes to offer. A mixed assortment is a wonderful, highly affordable purchase to solve the dilemma of what to get for a number of small and inexpensive gifts. All our keychains come with a length of ball-chain and a spring-ring for attaching keys.
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