tactile indicators

1.Tactile Indicators are a structured serires of raised metallic disks installed on pedestrian surfaces to assist in providing the vision impaired, the elderly and children with a safe, non-slip surface. 2.Tactile Indicators are required to be installed to an approaching hazard or change of direction along a path of travel, such as a footpath, passageway, walkway, ramp, stairs or 3.It can made of 316 stainless steel ,304stainless steel and copper. 4.It sticksa sand paper on the surface to enhance the friction.