Blackhawk Mini ThunderSledge. Mini ThunderSledge by Blackhawk Tactical is an essential addition to any breaching kit. Meets or exceeds Dynamic Entry's high durability standards. Specifications for Blackhawk Mini ThunderSledge: Weight: 7.5 LBS Length: 22" NSN#: 5120-01-554-2847 Features of Blackhawk Mini ThunderSledge: Sure-Grip handle system is electrically non-conductive to 100000 volts AC Drop-forged carbon steel heads. Package Contents: Blackhawk Mini ThunderSledge DE-MTS Blackhawk Mini ThunderSledge