Triangle Corner Data Clip: use this data clip to protect the edges and corners of the paper, easy to write and read, clip firmly attached to the paper, so that the documents organized more easily. Large Angle corner clip: 8mm open width, each clip can hold up to 40 sheets of A4 paper,Easy to open and close press the use, a pinch can easily clamp, no edges and corners, do not worry about accidentally injured hands.firm and durable.For all kinds of documents, papers sorting, more suitable for students or professionals use. Easy Reading: Clip the corners of a book and use it as a bookmark to keep the edges from sticking up when reading. Fit Paper Firmly Not Scattered: the corner of the clamp and paper closely fit, more solid than the general clamp, will not be scattered, a small amount of paper can be easily clamped. Easy Storage: 8mm width open and close, easy integration storage, protect the edges and corners of the paper, do not damage the paper after use, firm and not scattered, make it more convenient to consult, study and office more convenient and tidy. Widely Used: often used with papers, notes, music and other materials sorting;Note taking, ticket filling;It can also be used as a temporary bookmark.