This is a ten pack of 3mm Flathead Washers for countersunk fasteners. / / FEATURES: Aluminum construction / Blue anodized / Works with countersunk head fasteners / / INCLUDES: Ten washers / / SPECS: Inside diameter: 1/8" 3mm / Outside diameter: 5/16" 7mm / Height: 3/32" 2mm / / / / / ajw 9-29-05