4 Different Sizes of Shirt Collar Sticks The set contains 8 silver stainless steel collar holders, 4 different sizes: 76MM 70MM 63.5MM 56MM to meet your different needs. You can adapt the neckline adjuster to different shirt designs using the correct length for a better fit. Not Easy to Bend or Break, Rustproof and Durable The shirt collar bar is made of high quality stainless steel material, not easy to bend or break, rustproof, very strong, durable and reusable, suitable for long use complete. Smooth Edges to Avoid Damaging Your Shirts These sturdy metal collars will not warp and keep the collar stiff, keeping your shirts sharp and crisp all day. The shirt collar also has a smooth edge that does not scratch the holes in the collar and does not tear and puncture the shirt. Lightweight, Easy to Carry and use The stainless steel necklines are rust resistant, which means they won't leave stains on your shirts. It is absolutely safe to use on white shirts. And they are small, light and easy to carry and use. Shirt Collar Splint Shirt Collar Clips are everyday essentials, stylish business accessories with attention to detail, the perfect gift for dad, husband and boyfriend for birthday, father's day, graduation, wedding , anniversary, Christmas.