For cutting PVC pipe, creating acrylic clear cover, modifying model train parts, removing automotive parts, installing wire rack shelving, reslotting a screw head and removing rusty nail heads. The Dremel EZ Lock makes accessory changes easy as pull, twist, and release. The 1-piece mandrel design simplifies the process of changing cutting wheels. Compatible with all Dremel rotary tools. Kit includes: (1) EZ402 EZ Lock mandrel, (4) EZ456 metal cutting wheels, (3) EZ409 thin cut wheels, (3) EZ476 plastic cutting wheels, reusable plastic storage box.