Large freewheeling 1-1/4 inch dia. plastic head fits comfortably in your palm. Nickel-plated steel with four collets: 0, 1/16, 3/32 and 1/8 inch. 3-1/2 inches long overall.
WARNING: This product can expose you to chemicals, including Nickel (Metallic) which is known to the State of California to cause cancer. For more information, go to: www.p65warnings.ca.gov