Clamping Knobs – Aluminum (With Stud, Inch)

S&W P/N Thread Knob Dia (A) Total Length (B) Hub Dia (C) Hub Length (D) Stud Length (E) Ship Wt (lbs)
ALHA-1 1/4-20 1 1/2 2 5/8 5/8 3/8 1 3/4 .06
ALHA-2 1/4-20 1 1/2 3 7/8 5/8 3/8 3 .08
ALHA-3 5/16-18 2 2 3/4 13/16 1/2 1 3/4 .12
ALHA-4 5/16-18 2 4 13/16 1/2 3 .14
ALHA-5 3/8-16 2 1/2 2 7/8 1 9/16 1 3/4 .18
ALHA-6 3/8-16 2 1/2 4 1/8 1 9/16 3 .20
ALHA-7 1/2-13 2 1/2 2 7/8 1 9/16 1 3/4 .22
ALHA-8 1/2-13 2 1/2 4 1/8 1 9/16 3 .28
ALHA-9 5/8-11 3 3 1 1/4 5/8 1 3/4 .39
ALHA-10 5/8-11 3 4 1/4 1 1/4 5/8 3 .44