1Watch Strap Connection: Notched tubes and pins are designed for watch strap connection and link, professional watch repair accessories, simple and practical. 2Classified Storage: 10 models of watch strap tube pin are available, meet your different needs, storage box multiple grid design, easy to classify different models. 3Replacement Part: Watch repair tube pin are easy and convenient to use, which are great replacement for the old or broken one, suitable for watch repairer and watchmaker. 4Multiple Applicable Place: Light weight and in small size, easy to store and carry, can be easily put into your bag, perfect for home and watch repair store. 5Alloy Steel Material: Watch band tube pin is made of excellent alloy steel material, firm and sturdy, anti rust and stable, not easy to deform, wear resistant and durable.