... .all size is available 4.competitive price * ultra-clean anti-static and product line with European environmental requirements.* Applicable to breadboard, PCB ... .* Sizes: 1", 2", 4", 6", 8", 10", 12"* Color: blue, and other colour.* Stickiness: high, middle, low stickness available.* Stable raw ... -free, pollution-free.with use of comfortable,rotate smoothly anti-static sticky roller