This is a pack of ten ProTek R/C 4x9x0.5mm Lower Arm Washers. These washers have a 4mm inner diameter, with a 9mm outer diameter and are 1mm thick. These can be used in a variety of applications and are an excellent choice for any application that requires a 4x9x0.5mm washer.
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.
