This is a pack of ten ProTek R/C 3x6x1mm Engine Mount Washers. These washers have a 3mm inner diameter, with a 6mm outer diameter and are 1mm thick. These can be used in a variety of applications, but are intended to be used as engine mount washers.
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.