DNS192 microneedling derma roller features, 1. 192 pins medical grade stainless steel needles. 2. Orange roller, white pc plastic handle. 3. 0.2 mm, 0.25 mm, 0.3 mm, 0.5 mm, 0.75 mm, 1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm needle length available.