Wind Instrument Accessories -Saxophone Repair Parts Replacement Highlights Generic Brand Saxophone Repair Parts Replacement Description: Complete 16 PCS in 1 set of alto sax repair parts High quality and 100% brand new Durable, can be applied during long time Suitable for alto sax, saxophone replacement Great gift for saxophone players and DIY enthusiasts Size Chart: Spring Length: Approx. 5.1-5.5mm / 0.20-0.22inch Diameter of bumper felts: approx. 7mm / 0.28inch Steel Disc Length: Approx. 30mm / 1.18inch Screw Length: Approx. 10mm / 0.39inch Package includes: 1 set saxophone accessories (random color of felt pens) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be an error of 1-2mm.