The fiberglass roller tools is used for removing air from lamination, leveling and compaction of resin coating to drive , enhance strength and flatness of the glass steel In the process of products, it can save resin, save time and costs, improving construction efficiency, Can effectively improve the labor efficiency and product quality Widely used in industrial production of glass steel, for leveling and compacting the resin coating bubble, commonly used for products' internal and surface blistering roll puncture. Condition: Material: Aluminum alloy + ABS Total Length: . 31cm / 12.2inch Roller Head Length: . 50mm / 2.0inch, 75mm / 3.0inch, 50mm / 2.0inch Product Weight: . 323g colour: Silver + black Package Contents: 1 set * (3pcs) Bubble Paddle Tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.