Unique Size: Steel needle part of push pins is only 9mm, and width of flower handle part is 20mm Corkboard' Partner: Compared with standard-sized thumb tacks, tacks are more suitable for cork boards. No longer to worry about damaging the wall Valuable Package: Push pins for bulletin board with a clear plastic box that can be recycled for easy storage. 150 thumbtacks meet your daily needs Quality Materials: Thumb tacks for wall are reliable, strong and hardly bend. 1mm fineness will not affect healing of bulletin board Multifunctional: Push pins for wall are good for the vast majority of classrooms, offices, workplaces, homes or kitchens. Tacks for wall is also a good partner for bulletin boards, calendars, cork boards, foam boards and maps