Proto J5450HTC 1/2 in Drive Pear Head Ratchet 90 Tooth

Product Description

The PROTO J5450HTC is a 1/2 inch drive, pear head ratchet built for professional trade use in heavy-duty fastener work. It features a 90-tooth gear mechanism that delivers a 4-degree swing arc, allowing productive work in tight spaces where a full swing is not possible. The reversible head switches drive direction without removing the ratchet from the fastener. At 18 inches in overall length, the long handle provides substantial torque leverage for stubborn fasteners. Licensed mechanics, HVAC technicians, and industrial maintenance professionals will find this ratchet suited to high-cycle service work.

The J5450HTC is designed for use in automotive, HVAC, and general mechanical service environments where a long-handle 1/2 inch drive ratchet is required. The extended handle length is particularly useful when working on compressors, large equipment panels, and structural fasteners. The pear head profile keeps the tool close to work surfaces and reduces interference with surrounding components during operation.

Key Features

• 90 gear teeth provide a 4-degree arc swing for work in confined spaces
• Reversible pear head allows direction change without ratchet removal
• 18 inch overall length delivers high torque leverage on stubborn fasteners
• Head width of 1.69 inches and head length of 0.75 inches for a compact profile
• Meets ASME B107.110-2012 standard for ratchets
• 1/2 inch drive is compatible with standard 1/2 inch impact and hand sockets

Compatibility

Designed for use with standard 1/2 inch drive sockets and accessories. Compatible with any square-drive socket, extension, or adapter built to the 1/2 inch drive standard.

Installation Notes

This ratchet is a hand tool intended for use by licensed mechanics, HVAC technicians, and qualified maintenance professionals. Ensure the socket is fully seated on the drive square before applying torque. Inspect the ratchet mechanism and pawl engagement before each use and do not use the tool if the mechanism slips or feels inconsistent. Do not use a cheater bar or pipe extension on the handle, as this can exceed the tool's rated load and cause failure.