Combines aluminum alloy handle with 45 # steel tool head for light weight Features anodized oxidation surfaces for wear resistance and 50mm extended slot design to distribute force evenly, slippage or breakage during high tension wheel adjustments Light weight aluminum handle reduces weight by 30% compared to steel wrenches, antislip grooves for comfortable prolonged use during wheel tuning or frequent workshop applications Meets strict international tool testing standards with export craftsmanship ensuring reliability for customers seeking durability bicycles repair tools Fits flat spokes from 0.8mm to 1.9mm thickness, covering most hub specifications Precisions machined slots ensures safe grip, eliminating the need for multiple tools during wheel truing, ideal for both professional mechanics and cyclists Specifically designed for road bike straight pull hub maintenance while compatibility with commuters and competition grade Flat spokes slots slippage common with round spokes tool, suitable for emergencies roadside repairs or precise shop tuning, Manufacturer: ZBIianxer