Proto Socket Wrenches

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Torque Multiplier, 1/2" Input, 3/4" Output, 1:3.33 Torque Ratio Fastek

More Options Available +

Proto

Torque Multiplier, 1/2" Input, 3/4" Output, 1:3.33 Torque Ratio

Max. Rated Input: 250 ft-lbs.
Max. Rated Output: 750 ft-lbs.

Model: VO288

Mfr. No.:Mfr. No.: J6202A

$905.00 / Each

0 In Stock - Call For Stock Location

Ships May 2026

Proto

Fixed Head Micrometer Torque Wrench, Click, 1/2" Square Drive, 50-250 ft-lbs.

Overall Length: 26-3/4"
Increments: 1 ft-lbs.

Model: VN601

Mfr. No.:Mfr. No.: J6013C

$345.00 / Each

0 In Stock - Call For Stock Location

Ships in 5-8 weeks

Proto

Ratcheting Head Micrometer Torque Wrench, Click, 1/2" Square Drive, 50 - 250 lbf. Ft

Overall Length: 26-17/64"
Increments: 1 ft-lbs.
Head Width: 1-7/8"
Head Depth: 1-13/32"
Weight: 5.9 lbs.
Finish: Full Polish
Standard(s) Met: ASME B107.300-2010, TO33K6-4-2193-1

Model: TV960

Mfr. No.:Mfr. No.: J6014C

$365.00 / Each

0 In Stock - Call For Stock Location

Ships in 7-10 days

Micrometer Torque Wrench, 3/8" Square Drive, 10-80 ft-lbs. Fastek

More Options Available +

Proto

Micrometer Torque Wrench, 3/8" Square Drive, 10-80 ft-lbs.

Overall Length: 15-1/2"
Increments: 0.5 in-lbs.

Model: TV956

Mfr. No.:Mfr. No.: J6006C

$295.00 / Each

0 In Stock - Call For Stock Location

Ships in 7-10 days

Proto

Micrometer Torque Wrench, Click, 3/8" Square Drive, 40 - 200 in lbs.

Overall Length: 11-7/8"
Increments: 1 in-lbs.

Model: TV121

Mfr. No.:Mfr. No.: J6064C

$279.00 / Each

0 In Stock - Call For Stock Location

Ships in 2-3 weeks

Proto

Round Head Ratchet, 1/2" Drive, Plain Handle

Overall Length: 9-3/8"
Finish: Full Polish
Standard(s) Met: ASME B107.10M

Model: TM554

Mfr. No.:Mfr. No.: J5452F

$129.00 / Each

0 In Stock - Call For Stock Location

Ships May 2026

Proto

Ratchet Wrench, 1/4" Drive, Plain Handle

Overall Length: 6-37/64"
Ratcheting Angle: 5°
Style: Flex Head
Finish: Full Polish

Model: TM146

Mfr. No.:Mfr. No.: J4757F

$95.50 / Each

0 In Stock - Call For Stock Location

Ships in 3-6 days

Browse by Category

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Torque Multiplier, 1/2" Input, 3/4" Output, 1:3.33 Torque Ratio

Fixed Head Micrometer Torque Wrench, Click, 1/2" Square Drive, 50-250 ft-lbs.

Fixed Head Micrometer Torque Wrench, Click, 3/8" Square Drive, 16-80 ft-lbs.

Female Pear Head Ratchet, 3/8" Drive, Plain Handle

PROTO^® Drive 12-Point Torque Adapter Set, Adaptor, 3/8"

Ratcheting Head Micrometer Torque Wrench, Click, 1/2" Square Drive, 50 - 250 lbf. Ft

Micrometer Torque Wrench, 1/2" Square Drive, 30-150 ft-lbs.

Micrometer Torque Wrench, 3/8" Square Drive, 10-80 ft-lbs.

Micrometer Torque Wrench, 3/8" Square Drive, 20-100 ft-lbs.

Micrometer Torque Wrench, Click, 3/8" Square Drive, 40 - 200 in lbs.

Micrometer Torque Wrench, 1/2" Square Drive, 600 - 3000 in-lbs.

Handle Hinge, 1/2" Drive, Plain Handle

Round Head Ratchet, 1/2" Drive, Plain Handle

Pear-Head Ratchet Wrench, 1/2" Drive, Plain Handle

Ratchet Repair Kit

12 Point Socket

12 Point Socket

Ratchet Wrench, 1/4" Drive, Plain Handle