https://www.crazycrow.com/knife-making-hardware/knife-guards-machined-5_32in-slot
Knife Guards – Machined, 5/32” Slot, Nickel Silver
5415-001-012$9.95


Product Details
Discontinued: Only nickel silver available while supply lasts.
Designed for use on drop-point style hunting blades that are 5/32" or thicker, these solid brass or nickel silver guards are machined with a 5/32" wide slot, and is fitted with a 1/8" diameter brass pin. 1-3/4" x 3/4" x 3/8" thick.