The All Steel Spade Beats all Competition. Bully Tools 92605 15-inch All Steel Spade - Pro Garden Spade, Serrated Edge, Steel T-Style Handle, 12-Gauge Steel with Closed Back Blade: 5-1/2 by 11-1/2-inch. Handle Length 24-1/2-inch and tool length 36-inch. This tool has a 7-year no break guarantee made from aircraft quality steel. Thick 12-gauge steel heads with all steel construction handles, grips and blades. 100-Percent American Made.