GearWrench Ratchet Set 81274T 2 Piece 1/4 3/8 Inch Drive 90 Tooth (4 Degree Swing Arc Locking Flex Head Teardrop Automotive Fastener Driving)

GearWrench 81274T 2-Piece 90-Tooth Locking Flex Head Teardrop Ratchet Set

The GearWrench 81274T 2-Piece 90-Tooth Locking Flex Head Teardrop Ratchet Set is an industrial mechanical driving kit engineered for high-torque socket rotation around obstruction angles in tight engine bays and cramped equipment frames. Driven by precision 90-tooth internal gearing with an ultra-narrow 4-degree swing arc, this set provides 1/4-inch and 3/8-inch drive ratchets equipped with a 9-position locking flex mechanism and an unlocked free-swivel mode. Featuring low-profile teardrop heads, flush-mounted direction switches, sealed gear cavities, and full polish chrome alloy steel construction, these flex-head tools exceed ASME B107.10 strength specifications.

Best Used For:

• Angled Engine Bay Fastener Servicing: Reaching obstructed exhaust manifold bolts, spark plugs, and bellhousing cap screws at adjustable working angles.
• Confined Automotive Chassis Maintenance: Turning brake caliper mounting bolts, steering rack fasteners, and suspension linkage nuts with clearance control.
• Industrial Machinery Maintenance: Driving 1/4-inch and 3/8-inch sockets inside tight electrical enclosures, pump housings, and conveyor frames.

Key Performance & Safety Features

• 9-Position Locking Flex Mechanism: Locks ratchet head securely at multiple working angles or unlocks for continuous free-swiveling clearance.
• Precision 90-Tooth Internal Gear: Delivers a tight 4-degree swing arc to turn socket fasteners in narrow, restricted swing spaces.
• Slim Teardrop Head with Flush Switch: Low-profile head height with recessed direction lever clears tight clearance hazards without inadvertent switching.
• Enclosed Sealed Head Construction: Protects internal gear and pawl mechanism against dirt, shop grime, and liquid grease infiltration.
• High-Strength Alloy Steel Body: Precision-forged alloy frame and heavy-duty pawl exceed ASME B107.10 torque standards under heavy hand loads.
• Full Polish Chrome Corrosion Barrier: Smooth electro-plated chrome plating resists rust corrosion and wipes clean effortlessly.

What's Included

• (1) 1/4 In. Drive 90-Tooth Locking Flex Head Ratchet (7 in. Overall Length)
• (1) 3/8 In. Drive 90-Tooth Locking Flex Head Ratchet (11 in. Overall Length)
• (1) Molded Plastic Storage Organizing Tray

Technical Specifications

Pro-Tip: Lock the flex head into one of the 9 detent positions when applying high initial breakaway torque to a stubborn bolt; once the fastener breaks free, slide the lock lever to unlocked mode to rapidly spin the socket off.