Pennel hooks
Redditch hooks
Hackle Flies
Winged Flies
000
17
1 - 1.25 in.
0.5 - 1.0 in.
00
16
ditto
ditto
0
15
ditto
ditto
1
14
1.25 - 1.5 in.
1.0 - 1.25 in.
2
13
ditto
ditto
3
12
ditto
ditto
4
11
1.5 - 1.75 in.
1.25 - 1.5 in.
5
10
ditto
ditto
6
9
ditto
ditto
7
8
1.75 - 2.25 in
1.5 - 2.0 in.
8
7
ditto
ditto
9
6
ditto
ditto

Hackle to Hook Guage.

 

Based on information from

John Veniard’s “Fly Dressers’ Guide”.

 

Cock  Hackle for Dry Flies

Hen Hackle should be 0.5 inches smaller.

 

 

NOTE:

Redditch is the guage used by modern manufacturers.