Function: Spring bars for watch strap bands is used for the repair and replacement of the strap. Watch spring bars has a diameter of 1.5 mm, which is suitable for all watches with leather straps and fine-hole steel straps. The operation is simple and convenient to use. Material: Watch stainless steel spring bars is made of stainless steel with high quality. Watch band spring bars is smooth, wear-resistant, corrosion-resistant, not easy to rust, and has a long service life. Size: The size of the spring bar watch strap pins is 8 to 25 mm. There are a total of 18 sizes, and each size has ten. There must be a size that fits your watch. Don't worry about the size that won't fit your watch when you buy it back. You can also share the watch spring band with your family or friends Convenient Storage: The watch spring strap is placed in a transparent plastic box, and the different sizes of 18 are placed separately for easy access.