Gun Nail specially fit powder actuated tool, it's absolute professional and good quality,very competitive price,soon delivery LOW VELOCITY Gun ... ,.300 head pins and .22 single loads,HIGH VELOCITY Gun Nail TOOL:1): 660 tool fit 6mm or 1 ... ,eye pins and 6.3x16 loadspower load specially fit powder actuated tool,we have every size and very colour ... ,low velocity)single,brown,green,yellow,red colour Gun Nail