US

VS

S

MS

M

MD

D

XD

STORK

LD,

LT,

LX

LDV,

LTV,

XV

LDS,

LTS,

VMS

VM,

XM,

E

D

C

B

A

Bach

F

E

D

C

B

Jet Tone

1, 5

2, 6

3, 7

4, 8

Reeves

ES

S

M

C

Schilke

A

B

C

D

E

Warburton

S

M

D, B

Key

US =

Ultra Shallow

VS =

Very shallow

S =

Shallow

MS =

Medium Shallow

M =

Medium

MD =

Medium Deep

D =

Deep

XD =

Extra Deep