Duraline Grip+ Anti-Slip Tape 50mm Black. Coarse self-adhesive anti-slip tape for improved safety of paths and tread surfaces in industrial areas Suitable for use on exposed surfaces indoors and protected outdoors The anti-slip coating helps to secure paths and steps The coarse granules provide durable slip resistance even when heavily soiled and subjected to heavy use Areas of application are steps, ramps, industrial floors and treads on machines and vehicles In accordance with ASR A1.5/1.2 "Floors" to DIN 51130 slip resistance (R group) R13.