The Mag series by Custom Products in Gilbert, Arizona was a popular model of high-end metal yo-yo's in the late 1990's during the yo-yo boom. The Mag was unique from its the others, as the different models had intricate rotationally symmetrical designs cut into the sides of the yo-yo, which caused them to resemble automobile wheels. A series of two different designs were introduced each year, along with a limited edition serial-numbered matched set including both designs. These sets were always offered in anodized black and were often the only Mags offered in black. The 1st and 2nd series of MAGs used a tapered gap for response, but the 3rd and final series incorporated Custom's Performance Ring response pads. Because Custom's yo-yos used an extremely small G-sized bearing, they were a pop