Stanley 0-33-531 powerlock rule 10m/30ft With the Stanley 0-33-531 Powerlock Rule, the first 100mm of the blade is reinforced with a Blade Armor coating for maximum durability and reduced blade breakage. Its 3-rivet end hook is 40% stronger for long life and the ABS shock-proof, chrome steel case offers maximum protection on the job site. Features: Class II accuracy Compact case makes it easier to hold 3 rivet end hook for long life Tru zero end hook moves to compensate for accurate inside and outside measurements Mylar coated blade is up to 10 times more resistant to abrasion than normal lacquered blades Strong 25mm width blade for large standout The case made from strong ABS plastic for long life Specification: Length: 10m Blade width 25mm Net Weight: 0.304kg