... competitive price,soon delivery time,good service,parts supply nail gunLOW VELOCITY TOOL: SDT-A301 tool(similar with ... DX350), fit DN,.300head pins and .27strip loads,450 tool(similar with DX450),fit ... 25 Disc loads, 307tool fit DN,.300 head pins and .22 single loads,HIGH VELOCITY TOOL: ... 660 tool fit 6mm or 1/4mm head pins, eye pins and .22 high velocity single loads, 106 tool ...