This tool streamlines and saves time when gathering the zipper tape. 【Multi-Size】 The rounded corner sizes are 25mm/0.98 inches, 10mm/0.39 inches, 20mm/0.79 inches, and 15mm/0.59 inches. 【Good Use】 Using this tool to attach zipper heads allows you to quickly complete the attachment work in the production process. 【Easy to Use】 Easy to install zipper corners. 【Material】 Transparent acrylic *Protective film is attached. Please peel off the protective film with a sharp object. ＜Usage Notes＞ Hold the center of the tool from above and below, and slide it horizontally. Do not use it like a spatula, bending or rubbing it. Please be aware that it may break relatively easily if excessive force is applied. *Due to being an imported product, There may be fine scratches or scuffs. This does not affect use, but we cannot accommodate those who are sensitive to such imperfections or seek perfection, so please refrain from purchasing from us. Immediate purchase is OK.