Product Name: Spline Shaft/Sleeve Used on Concrete Mixer Model NO.: SICOMA Journal Surface Roughness: 0.63-0.16?m Appearance Shape: Round Shaft Shape: Real Axis Axis Shape: Straight Shaft Journal Diameter Dimensional Accuracy: IT6-IT9 Stiffness & Flexibility: Stiffness / Rigid Axle Load: Drive Shaft Material: Carbon Steel Trademark: HUAWEI Transport Package: Plywood Packaging Origin: China Product Description MAANSHAN HUAWEI metaLLURGICAL MACHINERY CO.,LTDWe really hope to establish a connection with you .