Features Tough plastic gear housing 5 digit counter with reset button 85 durometer rubber wheels for durability & traction Aluminium handle two piece retractable 177175 Small Measuring Wheel Technical Specification Working Range 999999 Metres Wheel Diameter 100mm Working Environment Mainly indoor & smooth floor use Working Accuracy 2 Typically Units of Measurement Metres & Dms Build Standard Diecast wheels HD rubber tyres for durability Tough counter moulding for strength Warrenty 24 Months