Good Helper for Fiberglass Projects: Fiberglass roller set is the for air bubbles out of freshly laid fiberglass resin and the helpful items for a smooth finish on a patch in your home improvement project. High Quality Material: Adopt of aluminum alloy materials and made by machining, a precise balance of glass and resin with no air pockets, and sturdy to use. Power Function: Used for removing air bubbles from lamination, leveling and compaction of resin coating to drive bubbles, and you just never know when you can use a random tool for something other than the designed purpose to save the day., Weight: 1.66338776679 pounds, Manufacturer: Htuteyy