PRODUCT QUANTITY: You Will Receive a Set of 500 Silver Metal Thumbtacks with a Storage Box, Providing an Abundant Quantity to Meet Your Various Needs. PRODUCT SIZE: The Thumbtacks Have a Diameter of 9.5 Millimeters and a Steel Tip Length of 9.5 Millimeters. The Ball Head and Sharp Steel Tip Make Them Suitable for Inserting Into Cork, Walls, and Other Surfaces. PRODUCT MATERIAL: Made of High-Quality Iron Material with a Nickel-Plated Surface, These Thumbtacks are Rust-Resistant and Reliable. EASY TO USE: These Thumbtacks Feature a Smooth Surface and Sharp Steel Tip, Making Them Easy to Insert and Securely Fix Into Cork, Walls, and Other Surfaces. WIDE APPLICATIONS: The Silver Metal Thumbtacks are Ideal for Bulletin Boards, Posters, Map Marking, and Other Scenarios (Not Suitable for Cement Walls). They are Convenient for Securing Reminders and Notes, Making Them Practical Accessories for Homes, Schools, and Offices.