5 0 0   D E L U X E The Roto-Sure 500 Deluxe has the same features as the Standard, but has a trigger brake to hold the wheel still when changing direction or dragging the wheel out from under a bush or building. Specifications Trigger Brake Metric Increments 100mm Metric Measures to 9,999.9 m or (10Km) Push Button Zero Reset Wrist Strap Heavy Duty 2 year Guarantee Folds to One Third Circumference 0.5m Wheel Diameter 160mm Follows Fine Edges Runs in Straight Line Balanced In Line Movement Better Traction Wheel Runs On Sealed Roller Bearings Light Weight Easy Storage Weight 1.16kg Optional Carry Case   Common Uses Quoting for Carpets, Flooring, Paving, Garden Layouts, Factory Layouts. Normally used on smoother surfaces and shorter distances.