PROTO

Knurled shank provides a non-slip grip when hand-turning the extensionPatented locking feature locks sockets to the extensionSolid one-piece design prevents the locking components from becoming loose...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square driveThe positive control system requires a separate...

Ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materialsThe TorquePlus design is a high performance drive configuration which allows for quick and easy socket...

Tether-ready with heat shrink loopFor use with elastic bungie or web lanyard onlyCalibrated to +/- 3% clockwise direction and +/- 6% counter clockwise direction at 20% to 100% of full...

One-piece construction ensures concentricitySpecial heat treat ensures long lifePrecision machined tips for proper fastener engagement

Industrial heavy-duty designAircraft grade aluminumAircraft quality springPositive self-locking lock ringFloating three-point reaction for repeatability

Accurate to ± 4% of torque reading in both directions at 20% to 100% of full scaleEasy-to-read, high contrast scaleMemory needles are standard on all wrenches except electric light modelsTorsion...

Proto Square Drive AdapterFull Polish finish

Black oxide finishMade of heat-treated alloy steel

Calibration is accomplished by manual loading the torque wrenchesManufactured to meet standard industrial torque applications, general industry, heavy equipment, and maintenance

Recessed reversing leverThin head designLong handle provides added leverageFloating pawl design

Proto Miniature Ratchet HeadRobust 24-tooth design with 15° arc swingAlloy steel drive gear for strength and durabilityLow profile head for access in constricted areasReversing lever design for...

Calibrated to +/- 3% clockwise direction and +/- 6% counter clockwise at 20% to 100% of full scaleCalibration is accomplished by manual loading the torque wrenchesManufactured to meet standard...

For converting standard handles to ratcheting handles

For electric- or air-powered drive toolsHeat-treated

Extensions help provide access to fasteners in areas that might otherwise be difficult to reachFull polish finish

Tight tolerances for snug fit on fastenerBall and spring design which allows for a 30° working angleDesigned to withstand the high torque and force associated with impact tools in repetitive...

Low-profile reversing lever design for quick, one hand operationTool steel drive gear for strength and durabilityKnurled slip-resistant grip

Heat-treated shaft with hex tipColor-coded handles

Precision formed and induction hardened fixed tipsMade for an accurate fit and long wear

Recessed reversing leverFloating pawl designThin head designMetal spring clip on drive plugVertical hole in drive plug

One-piece construction ensures concentricitySpecial heat treat ensures long lifePrecision machined tips for proper fastener engagement

Accurate to ± 4% of torque reading in both directions at 20% to 100% of full scaleEasy-to-read, high contrast scaleMemory needles are standard on all wrenches except electric light modelsTorsion...

One-piece construction ensures concentricityPrecision machined tips for proper fastener engagementSpecial heat treat ensures long life

Extensions help provide access to fasteners in areas that might otherwise be difficult to reachFull polish finish

Memory needle pinpoints peak torqueEasy to read dialsWithstands up to 20% accidental overload without losing calibrationDual scales

One-piece construction ensures concentricitySpecial heat treat ensures long lifePrecision machined tips for proper fastener engagement

Small head design and tight swing allow fastener to access tight areasFull polish shaft with knurled grip for strong slip-resistant grip

For electric or air powered drive tools

Provides up to a 17° angle of operationSocket can be pushed past the detent ball for straight driving

Proto Square Drive AdapterFull Polish finish

Forcing screws are forged from alloy steelToggle-type puller incorporates an automatic grip-tightening feature

Anti-Slip Design (ASD) open endBox end is countersunk for easy application to the fastenerBox ends incorporate the TorquePlus system

Hand turned speeder ring

Loosens hard to turn bolts and nutsHeavy-duty spring for added torque