The Von Duprin PN: 970321 adjusting shim is a metal product made of gold color. It is specifically designed for commercial use and features an ANSI Grade 1 rating, indicating its high-quality standards. The shim is suitable for the Von Duprin 299 strike and has dimensions of 2 7/8 inches in length, 1/16 inches in height, and 1 1/4 inches in width. Made in Mexico, this adjusting shim is a reliable and durable component for commercial doors and door hardware.