The 50-Feet gripper is a closed case long steel tape. It has an ergonomically designed case, nylon coated blade, and versatile end hook. The folding rewind crank provides fast and reliable retrieval of tape. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.