CVT New model stainless steel Contractor big 15 Inches surfce cleaner .This attachment is suitable to cleanr large with uneven surface like pation. Parks.malls floor cement floor .driveway parking tiles.metro stations passway and large institutes to clean with out hassle free . Solid Structure made of High grade stainless steel. Added dual lance holder Multifunctional /turbo rotary nozzle(optional). Large wheel with rubber grip to hold uneven surface . Can be suitable for any High pressure washer upto 200 bar 21 lpm . Technical details: Suitable presuure: up bar water Flow :21 lpm Staimless steel 304 Frame. 15deg nozzle ss tip . Heavy duty manuerable Wheel of 2 inches dia.