The Forster FIELD Headspace Gage is a precision tool designed for calibers such as .257 Roberts and 7mm x 57. Made of durable steel with a sleek silver color, this Headspace Gauge from Forster Products is essential for gun enthusiasts and smiths looking to accurately check and adjust the headspace in their firearms. Ideal for hunting and maintenance purposes, this essential piece of equipment ensures reliable performance and accuracy in your shooting experience.