HIGH QUALITY: Our rocker arms are made of strong, sturdy, rust-proof metal. It has a button that is not only non-slip, but also has a comfortable feel and grip. Various Options: 3 different sizes are available to meet most people's needs. The large size is recommended for use with 6000-7000 fishing reel, the medium size is recommended for use with 3000-5000 fishing reel, and the small size is recommended for use with 1000- 3000. . EASY TO INSTALL: No additional tools required, easy to install and use. It can be attached to different reels. Compatibility: The reel handle fits most fishing reels. Replace old or damaged arms. Small size: 2.5 x 3.8 x 5.5 cm. Average size: 3*3.85*6.5cm Large size: 3*4*7cm Package includes: rocker arm*3