Features: l Brand new and high quality l Made of high quality material, durable and wear-resistant l Easy and convenient to install and remove l High precision machining, stable and reliable l The shaft sleeve is 2cm long and 1cm high, suitable for DIY ship model warships that require extreme dimensions Packing includes: l 1 x 2cm Long Shaft Sleeve OR l 1 x 2cm Long Shaft Sleeve l 1 x 2mm Stainless Steel Shaft Note: l There is a bearing bush at the front end of the manual welding. Pay attention to the use of frequent inspections of the oil seal. Do not use it on high-speed boats. Not suitable for speedboats and any high-speed rotating motors. It is recommended to simulate small warships