Good Helper for Fiberglass Projects Fiberglass rollers are widely used in the production of FRP industry to level and compact resin coatings and remove air bubbles, and are usually used for rolling coating puncture of air bubbles inside and on the surface of products. Besides, these fiberglass roller tools can also be used for repairing bathtub, shower and bathtub boat. Durable Aluminium Alloy Material These fiberglass roller tools are made of quality aluminum for durability and ease of cleaning. The bracket is a premium iron rod with high gloss and strong hardness, which is wear-resistant and durable. 3 Pieces Fiberglass Roller This fiberglass roller tools set includes 3pcs bubble paddle tools, you will get 1 larger 20*75mm straight grain roller for thicker laminates, 1 smaller 10*50mm straight grain roller for thinner laminates, and 1 piece of 50*7mm corner roller for air bubbles on corners. Smooth Edges The handles of these fiberglass roller tools have a comfortable non-slip grip without any uneven edges, making the fiberglass rollers easy to operate, saving your time and effort, effectively improving labor efficiency and product quality. Wide Application Fiberglass roller tools are applied to improve the flatness of the glass for removing air bubbles from lamination, leveling and compaction of resin coating. A great choice for improvement project.