SAF Helmet Arc Slider #1720 measures 18 x 12cm at its longest edges and are compatible with helmets made in India.

SAF  Helmet Arc Slider #1721 measures 20 x 10cm at its longest edges and are compatible with helmets made in Korea.

Each Helmet Arc Slider set are sold in a pair and comes with their own accessory set.

Helmet Arc Slider sets are in Deep-bronzed Green (refer to later pictures)

Helmet Arc Sliders are typically used for accessories that need to be attached to the side; COMTACS for example