1/4 Barrel High Velocity Direct Fastening Tool ZG66 Description: ZG66 High Velocity Fastening Tool Applications & Features: ●Used for ceiling and installation projects ●Direct effect ●High Velocity Tool Weight: 3KG Power loads used: .22 Cal. S52 (5.6x15) Single, strait wall Drive pin used: drive pin diameter 6.3mm,ZT1/4, ZK1/4 (6mm, 8mm, 10mm barrels are available) Established in 1998, Easy Metal is one of the leading 1/4 barrel high velocity direct fastening tool manufacturers and suppliers in China. Offering quotation consultation service, we warmly welcome you to buy discount and competitive price products made in China from our factory.6mm Barrel H.V.Direct Fastening Tool suppliers website:http://www.jxeasydrivepin.com/fastening-tool/high-velocity-direct-powder-actuated-tool/