Wolverine Platform Assembly Perfect for sharpening chisels and plane blades using an ordinary grinder. This assembly attaches to the bench underneath the grinder using the Wolverine Base (sold separately) and features Wolverine's system of adjustment so distance from base to the stone is easily set. If you would like to increase the versatility of your grinder this is one of the best accessories you can own. Some assembly required. Includes post and platform. Base sold separately.