... , and no trail left.Suitable: clean precision measure equipment, senior lens, liquid contacts, semiconductor contacts, vidicon, digital camera etc.Useable: ... *5cm500pcs/bag,180bags/ctnHW-K3-08758cm*7.5cm500pcs/bag,120bags/ctnHW-R1-08758cm*7.5cm1000pcs/bag,96bags/ctnHW-K3-08108cm* ... /ctnHW-Y1-06156cm*15cm500pcs/bag,80bags/ctnHW-Y1-06756cm*7.5cm500pcs/bag,168bags/ctnHW-K3-04304cm*30cm500pcs/bag,60bags/ ...