The metal wind spinner is constructed of 18 gauge metal (Very Strong & Durable & is painted with a powder coat “Baked on Paint” paint finish. The paint finish is a high gloss paint, & will look totally different depending on the sunlight available. The Metal Wind Spinner is 7 inches in diameter. The STAINLESS STEEL BALL BEARING swivel is included with your spinner Minnesota Mn Golden Gophers Mini Swirly Metal Wind Spinner