HJT-20219 covering glue machine, air - drived, eyeglass making machine, optical frame machine, machine for glasses frames This machine is to cover glue to protect hinges parts (beforeinto Tumbling box) after core inserting. We make various glasses machines for professional eyeglasses manufacturers. Please note the final actual item maybe a little different as pictures because of our technology innovation. Pictures here are for reference. Please feel free to contact us for more latest pictures of actual items.