Stainless steel saw blades for cutting and trimming wood, alloys, plastics and fibreglass. Compatible with most rotary tools including Silverline, GMC and Dremel. Includes 5 x 22mm blades and 3.17mm mandrel. Max 28,000rpm. Stainless steel saw blades for cutting and trimming wood, alloys, plastics and fibreglass. Compatible with most rotary tools including Silverline, GMC and Dremel. Includes 5 x 22mm blades and 3.17mm mandrel. Max 28,000rpm.