Not sure. I bought 4 for a real estate agency and none of them work. We measured a room and a wall in duplicate in our office and each measurement was inaccurate by several (4+) inches on all trials.
π Komelon ML1810 Hi-Viz Yellow Measuring Wheel - 6-Inch Accuracy for Feet
8 Review
π Yellow 12.5-Inch Aluminum Measuring Wheel (Ft/In) by Rolatape RT312
8 Review
Scuddles Measuring Wheel Distance Measurer - 10,000 Feet With 25Ft Tape Measure For Yards And Lawns
16 Review
Komelon ML1212 Meter Man 4 Inch Measuring
8 Review
TV bracket Kromax DIX-18 black
52 Review
π² Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
8 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review
Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
23 Review