Description Maximum Gauges: Aluminum Steel (ga) Copper (oz.) Weight lbs Length in Width in 0.032 24(ga) 20(oz.)5.5lbs23.5in10in ESE 2″ Hand Seamer Single lock hand seamer forms 90 degree bend for hard to reach places. For an entire roof or to start or finish a roof. Lightweight and easy to use Unique leverage design. Will not scratch or peel paint. Compatible on profiles measuring 1/2" or 9/16" across top For a double lock 1/2", pair with ESE 099 finish hand Seamer. For a double lock 9/16", pair with ESE 099HD finish hand seamer. Made in the USA. ESE Machines, Inc. Today, we design and manufacture a wide range of seamers and tools to meet the industry’s emerging needs. And, we go one step further: We continue to move the industry forward by making our knowledge base available to all through free, detailed resource guides. See ESE Tools in Action!