Set of Epoxy Polyester Lamination Rollers and Glass Fiber Parts 4 Pcs : Material: Adopt aluminum materials and made by machining, precise balance of glass and resin without air pockets, durable and durable to use Function: Used to remove air bubbles from laminating, leveling and thickening resin coating in driving bubbles, and you just never know when you can use a random tool for something than a designed purpose to save the day These aluminum rollers set the industry standard for durability and ease of cleaning Plastic handles are solvent resistant for easy cleaning Application: Widely used in the production of glass fiber reinforced plastic and bubble roller inner puncture surface 4 pcs Fiberglass Roll Set: 1x larger diameter 5 inches, 1x larger diameter, which has deeper grooves for thicker laminate winding, 1x smaller diameter soothes more numerous small bubbles on thinner laminate, 1x corner for venting in key fillets and corners Specification: Size: 50x13mm/1.96x0.51 inch 20x75mm/0.78 by 2.95 inch 10x50mm/0.39x1.96 inch 12,5 x / 0,49 x 4,92 inches contains: 4 pcs. Laminating Roller Set with Fiberglass Resin Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.