3780 Power Tool Trap securely wraps around the battery portion of drills, impact drivers and other cordless power tools. Two hook-and-loop straps secure the battery boot on your tool's drill battery for safe, easy tethering. Nickel-plated, cast iron, D-ring connection point attaches to a Squids Lanyard (not included) to prevent drops. Power tool trap is approved to the ANSI/ISEA 121-2018 standard for dropped object prevention. Large size holds power tools up to 10 lb. with maximum dimensions of 3-1/2" wide x 5" deep x 3-1/2" high.