We are adding accessories and supplies as they are requested by you, our customers. Please contact us by e-mail to let us know what accessories will be most helpful to you. 3/32" Mandrel for Diamond Discs $2.45 Thank you for visiting A&M Instruments, Tools and Machining. Please e-mail any suggestions or comments to improve the site, our service, or tool selection. Always wear proper eye protection and gloves when using any cutting or grinding tool. ALL diamond tools last longer if a lubricant or coolant is used during cutting or grinding. Copyright® 2002-2006 A&M Instruments Inc 1-866-264-4287