... VELOCITY DRIVE PIN TOOL:1):SDT-A301 tool(similar with DX350), fit DN,.300head pins and .27strip ... 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, high velocity)single ... yellow,red,purple colour4):.22(5.6x16,low velocity)single,brown,green,yellow,red colour 300 head drive pin with ...