Product Description - a small part for brake levers This Shimano bleed nipple is compatible with BL-M445 and other brake levers like BL-M396 and BL-T445. It has a 4.6 mm long M5 thread. The O-ring is supplied. Technical Information:Threads:M5 x 4.6Compatibility:BL-M315BL-M355BL-M365BL-M395BL-M396BL-M425BL-M445BL-T445Manufacturer Number:Y-8V198030 Contents:1 x Shimano bleed nipple1 x Shimano O-rings Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com