ITEM NAME:10cm Length Shaft+Propeller with Shaft Sleeve for RC Boat DIY Accessories Description: 100% Brand New and High Quality This product is made from high quality materials, and designed for lasting performance. Simulation ship model ship model boat, etc. The bearings between shaft and shaft sleeve, it could hold on high strength and speed in whirl Material: Stainless steel Size Chart: Shaft Length Size: approx. 100mm / 3.94inch Shaft Diameter Size: approx. 4mm / 0.16inch Sleeve Length Size: approx. 5mm / 0.2inch Sleeve Diameter Size: approx. 9.5mm / 0.37inch 3 Propeller Diameter Size: approx. 36mm / 1.42inch Package Includes: 1 Set Boat Model Accessories SKU: FUZ0029107261017794.The bearings between shaft and shaft sleeve, it could hold on high strength and speed in whirl. 1 Set Boat Model Accessories. Shaft Length Size: approx. Sleeve Length Size: approx. Material: Stainless steel.