Flexade Attachment converts a lathe, drill press or electric drill into a flex shaft machine. It is ideal for use with POL-941 Lathe. For best performance, motor speed should operate at 3,500 RPM or higher and ONLY in a forward direction. Use with Foredom interchangeable handpieces. The 34" long Flexade has a 5/16" motor coupling and a standard flexible neoprene sheath.