Clamping Knobs – Aluminum (With Stud, Metric)

S&W P/N Thread Knob Dia (A) Total Length (B) Hub Dia (C) Hub Length (D) Stud Length (E) Ship Wt (lbs)
ALHA-1M M6 38 67 16 10 45 .06
ALHA-2M M6 38 98 16 10 76 .08
ALHA-3M M8 51 70 21 13 45 .12
ALHA-4M M8 51 102 21 13 76 .14
ALHA-5M M10 64 73 25 14 45 .18
ALHA-6M M10 64 105 25 14 76 .20
ALHA-7M M12 64 73 25 14 45 .22
ALHA-8M M12 64 105 25 14 76 .28
ALHA-9M M16 76 76 32 16 45 .39
ALHA-10M M16 76 108 32 16 76 .44