Exotek M3 Twist Nuts are precision machined thumb screws that are the perfect option to customize the battery strap screws on many of todays 1/10 vehicles. They are available anodized in a variety of colors to match your paint scheme and feature a knurled surface that makes installation/removal easy. Compatible with most vehicles that use 3mm screws to secure the battery strap. Package includes two thumb screws and two 3mm threaded rods.