Non-stick and reliable: these white pen bushings are made of plastic material, which not stick to your pen, it can save pen and bushing, and also save your time to clean it. Save time and : these synthetic bushings allow you to access and finish the ends of your pieces easily unlike the flush steel bushings, which is time and saving. Make your finishing easier: you receive sufficient quantity pen bushings in this package, with these pen bushings, your finishing become more easier. Appropriate size: these non-stick pen bushings are measure . 0.55 inch in width and 0.43 inch in height, pre-drilled for a standard 7 mm pen mandrel, 60 degrees cone-shaped taper suitable for most size pen bushings. Practical to use: for anyone who does any sort of turning and likes to apply for CA finishing, these bushings are must have items on your work table, with this product there is no longer have the problem of accidentally gluing blank and bushings together.