Contractors Treaded Spade (7.5" x 11.5" Blade) with Fibreglass MYD Handle. The Fibreglass MYD handle is designed for extremely Heavy Duty Industrial use. Chemically bonded into Solid Socket tools, these shafts are 30% stronger than ‘All Metal’ types. Fibreglass shafts have excellent electrical insulation properties and will not warp or rust in extreme weather conditions.