It is a very easy and simple spinner target . You can put it in your pocket and enjoy your fun anytime and any place. It can be embedded into any upright surface. Such as wall, tree, stick ... Suitable for shooting by .177 and .22 air rifle , bbs and slingshot. Included: One self-drilling screw One metal Hex-wrench One hollow metal cylinder Two metal rings One spinner target with two target plates Thickness: 3mm Product size: Height 14cm. Round diameter 45mm. Net Weight: 0.1kg