We have sold split mandrel for years, but it has always had 3/32" shank. We have received many requests to have a tapered split mandrel with a 1/8" shank to make it sturdier and to eliminate collet changes in a tool. We are excited to introduce the new 1/8" shank split mandrel. Many people use it by sliding wrapping sandpaper into the slot and make their own flap sander. Others wrap sandpaper around the top and make their own cylindrical sander. It works great! We also carry sanding cones that give you a tight tip to sand and clean up hard to reach areas. This 1/8" shank tapered split mandrel works great with those cones as well!