Thread diameter 8/0, 7/0,6/0, 5/0, 4/0, 3/0,2/0,1/0, 1, 2, 3 Thread Lenth 45cm,60cm,75cm, 100cm,125cm,150cm Needle length 6mm, 8mm, 12mm, 18mm, 22mm, 30mm, 35mm, 40mm, 50mm Needle curvature Straight, 1/2 circle, 1/2 circle (double), 1/4 circle, 1/4 circle (double) 3/8 circle, 3/8 circle (double), 5/8 circle, loop round
