The product is a set of Kurt vise jaws, specifically designed for aluminum inserts. These 6" wide jaws come in a quantity of 2. These high-quality vise jaws are ideal for securely holding and clamping. Aluminum inserts can be machined so you can run various parts, ensuring precise and accurate results in CNC and metalworking applications.

Jaws are steel that bolt down aluminum insert that you make.They bolt to the steel jaw with 10-32 bolts 3/4 long saves time and money.
Aluminum inserts are to be made from 1/2" x 1/2" or you can make 1/2" x 5/8" material