Bead Size	Hook Size
1.5mm	20-22
5/64" or 2.0 mm	18-20
3/32" or 2.3 mm	16-18
1/8" or 3.2 mm	12-14
5/32" or 4.0 mm	8-10
3/16" or 4.8 mm	4-6
7/32" or 5.5 mm	2-4

Tungsten Bead	Hook Size
5/64"	18-20
3/32"	16-18
7/64"	14-16
1/8"	12-14
5/32"	8-10
3/16"	4-6

Tungsten Conehead	Hook Size
Small 5/32" 4.0 mm	4-6-8
Medium 3/16" 4.8 mm	2-4
Large 1/4" 6.3 mm	1-2-4