Roughneck Professional Foam GunThis Roughneck Professional Foam Gun has a large, sturdy metal body with a comfortable soft grip, making it suitable for long working periods. The Foam Gun has a nickel plated aluminium body, steel trigger, brass barrel and non return PTFE ball. Its brass needle has a non stick coating and an aluminium can holder adaptor. Ideal for the following applications: Filling: Gaps in brick, concrete, stone and plaster. Gaps and holes around pipe work and duct