We purchased the Mr. Manhole Platinum Six-shooter a few weeks ago. Since that time we have cut 16+ box outs through concrete with no issues. Over the past few years our city, Cedar Falls, IA, has implemented a road sharing program for bicycles. For this to be achieved the street has been adjusted making some of our manholes in the wheel path of vehicles. The Mr. Manhole Markrite tool allows the riser tube to perfectly match the road height providing a near-seamless transition while driving over manholes. The Mr. Mister water spray system is also a must-have in my opinion. It greatly reduces the concrete silica in the air protecting the ground crew without the use of protective masks. I would recommend this product to any municipality or contractor that is looking to take the next step in manhole repairs.