The BLM roofing Tools 3in. Chase Wedge is primarily used for setting in lines on leadwork already in position. Smaller chase wedges are used for tight spaces and tight corners. These tools are usually struck with a mallet and care should be taken not to drive it too hard in order to prevent damage to the lead sheet. Machine milled from ultra-high molecular weight poly ethylene which provides excellent resistance to splitting and maintains shape for extreme durability. Made in Britain and comes with a lifetime warranty against material defects (Terms and conditions apply).