The specific epithet mastersii honours Australian zoologist George Masters who collected specimens for Gerard Krefft.

[2] The snake grows to an average of about 40 cm in length.

The upper body is light brown to dark grey, with a pale band over the nape and a white stripe extending from the upper lip to the neck.

It inhabits heathland, grassland and mallee habitats on sandy and limestone soils.

[2] The type locality is the Flinders Ranges of South Australia.