Speed: 9.3 RPM/18.7 RPM/47 RPM/70 RPM/93 RPM/140 RPM/187 RPM/280 RPM/467RPM. Please note that the rotational speed is not 100% accurate, and orders with high precision requirements should be placed with cautio. Depends on your choice! Please check with y. We are not responsible. OR, you may choose to have a replacement. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. Please DON’T leave negative or neutral feed.