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The ULLMAN DEVICES CHP4-A is a hook pick scriber designed for precision marking, scribing, and retrieval tasks in professional trade environments. At 6.88 inches overall length, this compact hand tool is sized for close-quarters work where control and accuracy matter. The hooked tip configuration makes it well suited for pulling, aligning, and scribing operations that a straight pick cannot reach effectively. Trades including HVAC technicians, plumbers, and electricians keep scribers like this on hand for marking materials, clearing ports, and manipulating small components during service and installation work.
This tool fits naturally into general trade toolkits used across residential and light commercial service work. Its compact overall length and narrow profile allow it to be used in confined spaces such as equipment cabinets, junction boxes, and panel enclosures. The hook pick design is particularly useful when working with gaskets, seals, O-rings, and wiring harnesses where a straight probe would be impractical. It is a standard addition to service kits for technicians who need precise hand-tool control on the job.
Designed as a general-purpose hand scriber and pick tool suitable for use across a wide range of trade service and installation applications.
No power source or utility shutoff is required for use of this hand tool. When scribing or picking near energized components, follow applicable NFPA 70E safe work practices and ensure the work area is de-energized where required. Keep the tip away from skin and eyes during use, as hook picks are sharp-pointed instruments intended for controlled precision work.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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