From Top:

Handle A

Handle B

Handle C

Handle D

Handle E

Single Ended Scalers

Handle E

BB170-90

Handle D

BB170-104         BB170-108         BB170-116         BB170-118

Double Ended Scalers

Handle A

BB170-100     BB170-102     BB170-110     BB170-112     BB160-114     BB170-120

BB170-122     BB17-124     BB170-126     BB170-128     BB170-164

Handle B

BB170-70     BB170-72

Handle C

BB170-92         BB170-94         BB170-96         BB170-98