Sizes No. 4, 6, & 8 have a socket head capscrew and supplied hex key for installing the Nutsert. The “916” single size placing tool offers an inexpensive means of installing small quantities of Nutsert in the field with a low cost, expendable tool. Ideal to send out with a small bag of Nutserts for accessory installation, field modifications, or rework and repair. Designed for use in nonproduction type situations, the “916” will satisfactorily place up to 100 Nutsert . Each tool is individually packaged with instructions for use. 10, 1/4″, 5/16″ & 3/8″ Hex head screw. This tool requires a standard socket wrench to drive the hex head screw.