The RivetKing ISN/ISR Series has the grip range that most rivetnuts lack. It has an unlimited maximum grip range which will work in all thickness above .030 (ISR Series) and .062 (ISN Series). The ISR series is designed for use in any metal, while the ISN series is designed for use in any material softer then itself such as plastics, fiberglass, and plywood.
PROP 65 Warning for STAINLESS STEEL products: WARNING: This product contains Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov