These Kyosho aluminum collars measure 3x7x2mm and come in a black anodized finish. The set includes 6 pieces, making them a practical supply of this commonly needed hardware for use across a wide range of RC vehicles. Aluminum construction keeps weight low while providing a durable alternative to plastic collars for securing shafts, pins, and other components. Features: 3x7x2mm dimensions Black anodized aluminum Set of 6 pieces Wide cross-platform compatibility 7/7/26 cs