... 6", 8", 10", 12" 3) Color: blue, and other colour. Remove surface particles from work benches, carpets, ... clothes and can remove dust effectivelySticky roller can reduce the dust on the electronic products. Sticky roller ... 6", 8", 10", 12"3) Color: blue, and other colour.4) Stickiness: high, middle, low stickness ... use of comfortable,rotate smoothl sticky roller and sticky pad and pad holder