Diameter of the body of needle: 0.16 /0.18 /0.20 /0.22 /0.25 /0.30 /0.32 /0.35 /0.38 /0.40 /0.45mm Length of the body of needle: 13mm/25mm/40mm/50mm/60mm/75mm/100mm 0.5" / 1" / 1.5" / 2" / 2.5" / 3" / 4"