1、Perfect Fit: Copy mount, holder for reel tape recorder. Absolutely corresponds to the original. Everything works as it should. 2、Applicable: Belt press screw spring kit applicable for Pioneer RT 701 707 1011L 1020L 1050L 2022 2024 RTU 11 and other opening machine accessories, belt press accessories. 3、M3 Thread, Metal Material: The screw thread is M3. Made of aluminum alloy screws and stainless steel, this kit is durable and corrosion resistant. 4、Fine Crafts: Belt press accessories are processed with tiny accuracy CNC to ensure their durability. Compact and compact, easy to install. 5、Package Includes: Opening machine screw spring accessories kit The package includes 2 screws, 2 screw sleeves and 2 springs.