We are MMC FACTORY, a specialty shop for reel overhauls. This product is a premium full bearing upgrade set for the Daiwa 20 Tatula SV TW. With this set, you can upgrade to a maximum of 11 BBs. Compatibility is set for 103H, 103HL, 103SH, 103SHL, 103XH, and 103XHL. The bearings handled in our store are domestic premium stainless steel bearings. Each bearing has been checked for rotation over time, and those with poor rotation have been removed. The precision is very high, so there are no issues with rotation or durability. The surface is coated with oil before packaging for shipment, so you can install it immediately upon arrival without the hassle of cleaning. The bearings are rust-proof greased and can be used in saltwater. The grease is replaced after inspection. 【Set Contents】 Premium bearing for handle knob ×2 Premium bearing for worm shaft ×2 Adjustment washer ×1 We will ship with our store's packaging (as shown in the second image). The number of bearings and the presence of tools will vary depending on the reel. Please ensure you make the correct purchase. For installation methods, other inquiries, or sales of other models, please contact us via our Instagram or homepage (LINE mail).