nail gun absolute professional good quality,very 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, 307tool fit DN,.300 head pins and .22 single loads,HIGH VELOCITY TOOL: 660 ... 6mm or 1/4mm head pins, eye pins and .22 high velocity single loads, 106 tool ...