4 Pieces in 1. Strap available in colors: Black, Gray, Navy Blue, Red Our Men's Black Utility Keychain with Magnetic Precision Mini Bits is a versatile and functional tool designed for everyday use. One of the standout features of this is its magnetic precision mini bits, which allow for quick and easy adjustments to screws and bolts in a pinch. This functionality makes it an ideal tool for those who work in construction or other manual labor professions, as well as for DIY enthusiasts.