The 32 Gauge has 3 barbs a side - coarse fibres and shaping (silver tip)
The 36 Gauge has 3 barbs a side - starting and shaping (green tip)
The 38 Gauge has 2 barbs a side - shaping (red tip)
The 40 Gauge has 2 barbs a side - detail (blue tip)
The 42 Gauge has 1 barb a side - fine detail (gold tip)
The 36 Gauge Reverse / Inverted has 2 barbs a side - fluffing or create fur (Light green tip)
The 40 Gauge Reverse / Inverted has 1 barbs a side - fluffing surfaces (orange tip)
The 36 Gauge Star has 2 barbs a side - Faster starting / working (cream tip)
The 38 Gauge Star has 2 barbs a side - Faster working / shaping (black tip)
The 40 Gauge Spiral Needle has 2 barbs a side and a twist in the needle to spread the barbs around the needle – smoother working and finished felt (light blue tip)
The 38 Gauge Spiral Needle has 2 barbs a side and a twist in the needle to spread the barbs around the needle – smoother working and finished felt (purple tip)
The 38 Gauge Star Twisted needle has 2 barbs a side - Great and fast from start to finish
The 38 Gauge Crown - Finishing, smoothing, fine detail
The 40 Gauge Crown - Finishing, smoothing
The 42 Gauge Crown - Finishing, smoothing