1.good material 2.durable ,good function. 3.high quality by precision machining 4.flexible production and competitve price 1.the materialtungsten wolfram95,high density2.processprecise powder metallurgy and cnc machining3.productionflexible production lot and competitive price4.packingpolywooden box 880*880*700,0.67m3,1.2T5.net weight2.15kgs6.surfacedeburrs,degrease,ultrasonic clean7.human ...