1 mandrel. 5 cut-off wheels. More cuts. Faster cuts (than Dremel 426). Includes: EZ402 (x1). One-piece mandrel. No screw or wrench needed; EZ456 (x5). www.dremel.com. Dremel Experts: USA: 1-800-437-3635. Canada: 1-888-285-3476. Made in China to Dremel specifications.