... size is available 4.competitive price * ultra-clean anti-static and product line with European environmental requirements.* Applicable ... to breadboard, PCB, LCD, SMT, clean room, Semiconductor etc for dusting.* Sizes: 1", 2", 4", 6", 8", 10", ... antistatic, moisture resistance, damp-proofing, friction-resistant, pest-free, rust-free, pollution-free.with use of comfortable,rotate smoothly anti-static ...