Used to attach roofing underlayment, insulation, housewrap, and feltLarge 1" diameter. Plastic Cap provides a large fastening surface. Rings act as wedges to keep nail in place preventing pop out. Do not use in treated lumber or where corrosion is a concern.
WARNING: This product can expose you to chemicals including Lead, which is 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