... good service,parts supply powder actuated toolLOW VELOCITY TOOL: SDT-A301 tool(similar with DX350), fit DN,.300head pins and ... .27strip loads,450 tool(similar with DX450),fit NK pins and .27 strip ... loads. D60 tool fit DN,.300head pins and .25 Disc loads, ... head pins and .22 single loads,HIGH VELOCITY TOOL: 660 tool fit 6mm or 1/4mm head pins, eye ...