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The KLEIN TOOLS 602-4 is a heavy-duty flathead screwdriver built for demanding trade work. It features a round shank with a keystone tip and measures 4 inches in shank length with an overall length of approximately 8-11/32 inches. The shank includes a hex bolster that reinforces the shaft for high-torque applications and allows a wrench to be applied for additional turning force. This tool is designed for electricians, HVAC technicians, plumbers, and other trade professionals who need a reliable, durable driver for everyday and heavy use.
The 602-4 suits general trade installation and maintenance tasks where a standard flathead screwdriver is required. The hex bolster feature makes it especially useful in tight or stubborn fastener situations where hand torque alone is not sufficient. It is appropriate for both commercial and residential service work where durability and control are priorities.
Designed as an OEM-style hand tool for use with standard slotted fasteners in electrical, HVAC, plumbing, and general mechanical trade applications.
No installation is required for this hand tool. When applying wrench assistance to the hex bolster, use an appropriately sized open-end or box wrench and ensure the fastener is properly seated to avoid cam-out or damage. Always verify the tip size matches the fastener slot before applying force.
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