Paddle Roller for Fibreglass -Resin - Laminating GRP CSM- 3 PACK These Paddle rollers are the perfect accessory for the removal of air bubbles in your fibreglass project. They consolidate the fibreglass . The rollers are re-usable , we recommend using ACETONE ( check our other listings ) to clean any resin left on the roller. This listing is for our 3 most popular sizes, we do sell a more comprehensive range of these rollers - please check our other listings. What you get Roller - 50 x 15 Roller - 100 x 21 Roller - 140 x 15 Numbers explained - the 1st number is the length of the roller, the 2nd is the diameter, so 100 x 21 is 100mm long, 21mm diameter. Please also note the colour of the handles can change depending on stock.