WOODPECKER C-764BT Pneumatic Hog Ring Gun, 16 Gauge, 1/2-Inch Crown, 3.0-4.8 mm Closing DiameterProfessional industrial grade 16 gauge 1 2 inch Crown 3. 0 4. 8mm Closure Diameter C ring tool with CE certificate. Function and structure has been upgraded again. Highly recommended to tool fans! The new generation of valve core MINGHUI VALVE CORE, becomes more powerful, less losses and easier to repair The side plate is replaced with a stainless steel plate without holes, which can prevent the dust effectively and better reflect the texture of the