Size 2mm - 12g 2.5mm - 10g 3mm – 8g 4mm – 6g 5mm – 4g 6mm – 2g 8mm – 0g 10mm – 00g 11mm – 7/16” 12mm – 1/2” 14mm – 9/16” 16mm – 5/8” 19mm – 3/4” 22mm – 7/8” 25mm – 1” 28mm – 1-1/8” 32mm – 1-1/4” 35mm – 1-3/8” 38mm – 1-1/2” 42mm – 1-5/8” 44mm – 1-3/4” 48mm – 1-7/8” 51mm – 2”