Made from a stainless steel spring this type of roller is the most commonly used for consolidating GRC because of its ability to conform to irregular shapes and curves and it is easily kept clean by just giving the spring a light tap.
Large Spring Roller Ref: AAO 17485 ( 41mm dia. x 127mm long )
Small Spring Roller Ref: AAO 17484 ( 25mm dia. x 87mm long)