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Automatic (manual) Compression Spring Forming Tool
This forming tool produces a spring that will be about 3.9mm in diameter (O.D.) and any length to about 16mm. It is safe to use (much safer than trying to wind a spring on a mandrel chucked into a drill press) and 100% repeatable. One end will be finished and the other end will need to be manually bent so you don't stab yourself.