1.K3 clean wiper made from special fibre and continous fibre 2.good effect on cleaning lens,LCD,etc 3.leads to no ... hurt. K3,K4,Y1,R1 Precision lens wiping paper—can replace Japan OZU K3 It is the ... , and no trail left.Suitable: clean precision measure equipment, senior lens, liquid contacts, semiconductor contacts, vidicon, digital camera etc. Useable: HN ...