Product specifications:

Single handle three open ports [7.6 Caliber]]

Double handle three open and pedal [7.6 Caliber]]

Double-handle three-Open plus ranging [7.6 Caliber]]

Double handle three-open Plus pedal + ranging [7.6 Caliber]]

Single handle four open [7.6 Caliber]]

Double handle four open and pedal [7.6 Caliber]]

Double handle four Open plus ranging [7.6 Caliber]]

Double handle four open Plus pedal + ranging [7.6 Caliber]]

Double handle three open with ranging pedal [9.5cm caliber]]

Other sizes can be customized