[Exquisite Workmanship]: Parallel drive shaft key set, these drive shaft keys, precise process, smooth surface, no blurring and high expansion capacity. Mainly used to fix frequently disassembled equipment. parallel drive shaft key set, it is durable and has a long service life, round ended drive shaft keyway keys set, can be applied to various working environments [Simple to Install]: Parallel spindles, parallel key set, easy to use and convenient to install. Easy to carry, simple operation, powerful function, high precision, good repeatability, wear-resistant and high expansion capacity. 140pcs are enough for multiple choices, parallel drive shaft keys, 140pcs parallel drive shaft key, which can be replaced at any time, which is very practical [High Utility]: This set of round feather keys has been precisely experimented, so they have a smooth surface without blurring. In addition, they have a large expansion capacity. round feather key for parallel drive shafts, there are 140pcs in total, and they are enough for your multiple choices. these round feather keys, 140pcs round tip feather key have precise process, smooth surface without blurring [Portable with Plastic Box Equipped]: 140pcs parallel drive shaft key, the plastic box makes it easy to recognize and store your square parallel keys. you can classify these feather keys in an organized way, more convenient to carry and take. Parallel Drive Shaft Keys Set, 140Pcs Round Feather Key Set, It Can Be Used As A Perfect Fastener Through Standard Processing [Scope of Application]: These round keys, round end feather key set, this feather key set with rounded ends, the feather key set is suitable for fixing many different equipment, mainly used for fixing frequently disassembled equipment, there are 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm sizes for your different needs; Different sizes to meet your basic needs