This spring hook repair tool is made of metal , which is firm and durable to use, and lightweight and portable, very easy to carry. Compatible with most woodwind instruments, such as sax, clarinet, oboe, flute, piccolo, bassoon and more. Easy to use and developing your hands-on ability and knowing more specific about woodwind instrument structure. It can be used for disassembling, installation, remould and bore for spring needle. Product Specification: 100% Brand New Material: Metal Weight: 14g Package Content: 2 x Woodwind Repair Tools Note: 1.If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Key Product Features. 2.Due to different monitors, there may be a little color difference.