power load specially fit powder actuated tool, it's absolute professional and good quality,very competitive price,soon delivery LOW VELOCITY POWER LOAD TOOL:1):SDT-A301 tool(similar with DX350), fit DN,.300head pins and .27strip loads,2):450 tool(similar with DX450),fit NK pins and .27 strip loads.3):D60 tool fit DN,.300head pins and .25 Disc loads,4):307tool fit DN,.300 head pins and .22 single ...