blow dust gun kit 1.material:aluminium or iron 2.different nozzle length 3.most competitive price blow dust gun with nozzle 1.material: iron or aluminium 2.surface treatment:chrome plated3.nozzle length:10-30cm,or according to your design4.packing:inner packing:blister+card,100pcs/ctn5.quality: high quality and good service with competitive price6.timely delivery7.we can produce according to your ...