16-Gauge Shrinker Stretcher Sheet Metal Fabrication Pneumatic Planishing Hammer. Manual Metal Shrinker Stretcher SS-16 Metal Fabrication Set 16 Gauge 8.5 Throat. Metal Stretcher Shrinker Manual Shrinker and Stretcher with a Handle SS-16. Maximum Thickness: 16 gauge/1.5 mm. Throat Depth: 8.5/216 mm. Size: 55 16 71 cm. 1 Metal Shrinker Stretcher. Industrial Pneumatic Planishing Hammer Sheet Metal Shaping Machine w/ Anvil 1″ 2″ 3. Anvil size: 1”, 2”, 3′. Anvil to hammer opening: 4′. Working pressure: 50 to 100 (maximum) PSI. 1 Industrieller pneumatischer Polierhammer. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.