Shield 05 : A device attached to the muzzle end of a powder-actuated handheld fastening tool, designed to prevent the escape of the fastener and flying particles or material that could ricochet
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}