Meso Needles (31G, 4, 6, 13 mm) – Nano Ultra-Fine Ultra Sharp for Minimal Discomfort – High Pure Grade Stainless Steel – Variety of Gauge Sizes with Multiple Lengths.

Size Index: (34G = 0.160 mm) – (33G = 0.180 mm) – (32G = 0.200 mm) – (31G = 0.226 mm) – (30G = 0.255 mm) – (29G = 0.286 mm) – (28G = 0.321 mm) – (27G = 0.360 mm) – (25G = 0.455 mm) – (23G = 0.573 mm) – (22G = 0.644 mm) – (21G = 0.723 mm) – (18G = 1.024 mm) – (16G = 1.291 mm) – (14G = 1.628 mm).