Mayhew knurled solid punches are designed for the purpose of loosening frozen or tight pins and keys, as well as for removing rivets. 1/16 inches point size For the purpose of loosening seized or tight pins and keys or for the removal of rivets Precision-engineered knurled solid punch with a shot-blasted surface finish for enhanced grip and durability Also known as a starter punch Knurled handle designed to enhance grip security Manufactured in the United States