Nowadays most rolls are made from nitrile rubber-pvc, because of a better surface and it is easier to clean. Because of the smooth surface, the transfer capacity is limited. Much used for lithography with transparent primary colours. Diameter aluminium core 13 cm 5.1" length aluminium grip 10 cm 4" Outside diameter 15 cm 6" largest diameter tapered grip 3 cm 1.2" Circumference 47 cm 18.5" smallest diameter tapered grip 2,5 cm 1" Hardness 30 gr. Shore colour rubber blue |