Protect soft wood from "pull-through" screws and your hardware from rust with / Great Planes" Zinc-plated washers. The washers feature a large surface area / that spreads holding power to more material, letting you tighten screws down / without damaging the surface underneath. The special Zinc plating keeps them / rust and corrosion-free, for easy installation and removal. / / INCLUDES: Eight #4 Flat Washers and comes in a reusable plastic parts pack / / SPECS: Inside Diameter: .130" (3.3mm) / Outside Diameter: .314" (7.9mm) / / KPM 11/3/93 / ir/jl / Update EEW 08/15/06