... VELOCITY DRIVE PIN 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 ... very colour power loads,1):.27(6.8x11) single or with strip,green,yellow,red,black colour2):.25(6.3x10 ... ,6.3x12)single or with disc, green,yellow,red colour3):.22(5.6x15, ...