A4 Commercial File Folder/Commercial folder Double Strong Clip Double Clamp,Blue A4 double strong clip folder Plating for double color plate-making process Bimetallic powerful fixture. High elastic stainless steel metal fixture, solid and durable, can press more than 5000 times. suitable for document classification management, Suitable for office, business department, state organs, schools, and other units of staff. Size: 235 x 315 x 18 mm. No assembly,Simple and practical.