Digismart All Pin/Paper Pins (Set of 500 Pcs. in 1 Plastic Boxes)Colour electroplated (Chrome) Brand Digismart Item Dimensions LxWxH 8. 8 x 5. 5 x 8 Centimeters Number of Pieces 500 About this item All pins are used to temporary fastening the papers together. All pins are made up of iron and electroplated which give steel finish and to protect it from rusting. All pins are made thin to easily insert into papers. Its head is kept semi spherical so that it can be easily inserted into papers without hurting fingers.