The Spear and Jackson PHD-WH Post Hole Digger has twin carbon steel blades which can be opened out to a maximum width of 140mm (5 1/2"). It produces deep, narrow, vertical side holes that minimise the need to backfill. The tool has a heavy duty construction which is suitable for professional contractors and landscapers. SpecificationsMaximum Blade Opening: 140mm (5 1/2")Blade Dimensions: 230mm (9") x 123mm (5")Handle Diameter: 37mm (1/1/2")Overall Length: 1470mm (58") Features and BenefitsHeavy duty post hole diggerDesigned for digging straight sided (post) holes in the groundHardened & tempered carbon steel blades for strength and durabilityWide wooden handles for strength and user comfortChrome plated steel bolts and locknuts on each handle