The Milwaukee 13 IN. Lightweight Tinner is built for straighter. cleaner cuts through sheet metal and other materials using its best-in-class 3 ½ IN. replaceable blades. The 13 IN. Lightweight Tinner is equipped with 40% larger handles than traditional tinner snips. Milwaukee Tinner snip handles are a contTheed. all-metal design so they are comfortable while wearing gloves and more durable than plastic coated tinner snips.