Optical Eye Glasses Screw Extractor Overview: For the frame to remove the breakage screw. Detailed Product Description: Equipped with a barrel top and bottom ram, easy to use. Parameter: Net weight: 0.5kg Inner box size: 10 (L) x8.5 (w) x7 (H) cm Quick Details: Place of Origin: Shenzhen , China (Mainland) Product name : Screw extractor Electric Voltage: 220V/50Hz or 110V/60Hz Model Number: LY -17 Packing Dimension: 15*13*13cm Approx G.W: 1kg