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Proto J6212CERT Torque Multiplier 1/2 in, 3/4 in Male Output Square Drive, 200 ft - lb Max. Rated Input, 1:6 - KVM Tools Inc.KV4JW77

Proto J6212CERT Torque Multiplier 1/2 in, 3/4 in Male Output Square Drive, 200 ft-lb Max. Rated Input, 1:6

UPC: 662679132194 | Harmonization / Schedule B : 8204.11.0060

Country of Origin: United States | Shipping Weight: 13.1 lbs

$2,369.59 - $2,369.59
$2,369.59
$2,369.59 - $2,369.59
$2,369.59

The Proto J6212CERT is a precision handheld torque multiplier engineered for professional fastening applications. Featuring a 1:6 gear ratio, it amplifies torque input up to 200 ft-lb, enabling controlled tightening of demanding fasteners without excessive manual effort. The dual output configuration—1/2 in and 3/4 in male square drives—provides versatility across various socket sizes. Designed for use with torque wrenches and hand tools, this multiplier sits between the wrench and fastener to deliver consistent, reliable torque multiplication. CERT certification ensures compliance with industry standards for precision and performance.


Torque Ratio 1:6 Female Input Square Drive 1/2 in
Male Output Square Drive 3/4 in Max. Rated Input 200 ft-lb
Max. Rated Output 1,200 ft-lb Gear Ratio 1:6
Calibration Certificate Included Yes, NIST Gear System Single Stage Planetary
Angle of Turn Protractor 5 Degrees Increments Reaction System Tubular Reaction Bar
Application Torque Wrenches and Heavy Duty Power or Impact Sockets, Not For Use with Power Drive Tools Antibacklash Device 3 Position Self Contained
Accuracy +/-5% Overload Protection Yes
Material Bi Material Includes Male Plug
Measurement Type SAE Weight 9.1 lb
Color Black Mountable No
Finish Chrome Insulated No