Walking Wheelchair Safety Groover SS 6" x 10" (5 grooves) 2" on CenterUse this groover to cut safety grooves for wheelchair ramps and other non skid areas. A popular choice for commercial and government jobs. The 6 inch long heavy duty stainless steel blade moves smoothly through concrete driveway and sidewalks. This groover creates four 1 4 inch deep, 1 4 inch wide grooves 2 inch apart from on center. These parallel lines provide a safety tread effect on high traffic areas such as driveways, sidewalks and stairs. The