Thank you for viewing! ・No need to comment "I want to buy." ・Please refrain from price negotiations. 【Limited quantity special price, ends when stock runs out】 ●Description This is a ball bearing set that can be used in saltwater environments and has superior corrosion resistance compared to standard stainless steel bearings. 【Product Description】 ・Contents: MR74ZZ ball bearings, set of 4 ・Applications: Widely used in Mini 4WD, fishing gear, computers, information and communication equipment, etc. 【Features】 ・High Durability: Uses bearing steel, providing uniform hardness and excellent wear resistance. ・High Speed & Low Noise: Achieves smooth and quiet operation, making it comfortable to use. ・Low Friction & Maintenance-Free: Low friction and requires almost no maintenance. ・Corrosion Resistance: Rust-resistant, can be used with confidence in saltwater and high-humidity environments. 【Main Applications】 ・Mini 4WD ・Electric reels ・Handle knobs ・Worm shafts ・Motors ・Office equipment 【Product Details】 ・Size: Inner diameter 4mm x Outer diameter 7mm x Thickness 2.5mm ・Color: Silver ・Material: Bearing steel ・Quantity: Set of 4 ●Shipping We will ship within 1-3 days after confirming payment. Shipping method: Japan Post Estimated arrival: Approximately 2-4 days. ※The product will be delivered to your mailbox. ※It may take a little longer for those in remote areas. Changes to the shipping method are not possible. Packaging will be simple, please understand. ●Other ・We do not offer exclusive listings, holds, or set sales. 　Please purchase the desired product as is. ・Unauthorized reproduction of product images and descriptions is prohibited. 　※If discovered, we will report it to the management. ・In the event of an initial defect, please contact us "before" leaving a review. 　We will respond promptly after confirmation, so please rest assured. ・Other important notes and details are listed in the profile section. 　We would appreciate it if you could take a look before purchasing＾＾ ●Finally ・Purchases are on a first-come, first-served basis! Ends when stock runs out! Even if you comment, we will prioritize those who purchase first.