... size is available 4.competitive price * ultra-clean anti-static and product line with European environmental requirements.* Applicable to ... 2", 4", 6", 8", 10", 12"* Color: blue, and other colour.* Stickiness: high, middle, low stickness available.* Stable raw ... , moisture resistance, damp-proofing, friction-resistant, pest-free, rust-free, pollution-free.with use of comfortable,rotate smoothly