The Roughneck Ultimate Mortar Gun offers 7 applications in one gun, and is suitable for mortar, grout, adhesive, sealant, cartridges, foil packs and bulk material. This spares kit has a heavy-duty ratchet mechanism with a high thrust ratio, high density push block with hardened release plate, and push rod. Along with a strong 750mm aluminium tube, aluminium front and back rings, this mortar gun is an ideal choice for re-pointing or filling applications.