Calibrated to +/- 3% clockwise direction and +/- 6% counter clockwise at 20% to 100% of full scale
Calibration is accomplished by manual loading the torque wrenches
Manufactured to meet standard industrial torque applications, general industry, heavy equipment, and maintenance
Tool Type: Torque-Wrench Drive; Head Type: 3/8" Drive; Torque Rating: 20 ft-lbs to 100 ft-lbs; Material(s): Steel.

Male drive plug featuring a spring-loaded pellet rather than a spring loaded ball
For PROTO® Model 5649 3/4-inch ratchet drive
Tool Type: Ratchet-Rebuild Parts; Head Type: 3/4" Drive; Material(s): Steel/Plastic; Application: Automotive Maintenance; General Mechanics; Machine Maintenance.

The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners
Proto Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials
The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
Tool Type: Socket; Head Type: 1/2" Drive; Opening Size: 1/2; Material(s): Steel.

The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners
Proto Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials
The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
Tool Type: Socket; Head Type: 1/2" Drive; Opening Size: 1 1/8; Material(s): Steel.

The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners
Proto Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials
The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
Tool Type: Socket; Head Type: 1/2" Drive; Opening Size: 1 1/4; Material(s): Steel.

Heat-treated
Precision machined tip for proper screw engagement
Thru hole and groove accept retaining ring and pin, when securing to power tool
Tool Type: Hex-Bit Socket; Head Type: 3/8" Drive; Opening Size: 5/32; Material(s): Steel.

Extra long bits provide additional leverage and reach
Chrome-plated sockets
Corrosion-resistant black oxide-coated hex bits
Tool Type: Hex-Bit Socket Set; Head Type: 3/8" Drive; Opening Size: 1/8; 5/32; 3/16; 7/32; 1/4; 5/16; 3/8; Material(s): Steel.

It's fast fastening with this pro-grade alloy-steel, nickel-chrome finished hex-bit socket set
Etched size stamps simplify tool selection
Includes socket-storage bar as well as seven 3/8"-drive hex-bit sockets: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" and 3/8"
Tool Type: Socket Sets; Head Type: 3/8" Drive; Opening Size: 1/8; 5/32; 3/16; 7/32; 1/4; 5/16; 3/8; Material(s): Forged Alloy Steel.

Prevents rounding of fasteners' corners
Thin wall design fits into tight spots
Black oxide finish bit end
Hardened for extra strength
Chamfered opening slips easily over fasteners and holds securely
Tool Type: Hex-Bit Socket; Head Type: 1/2" Drive; Opening Size: 1/2; Material(s): Cold-Formed Steel.