Good Helper for Fiberglass Projects: Fiberglass roller set is the nice choice for getting air bubbles out of freshly laid fiberglass resin and the helpful items for getting 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, durable 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. Colour: black + silver Material: aluminum alloy + plastic Package Contents: 10 * roller tool Only the above package content, other products are not included. Note: Light shooting 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.