General Tools 842 Precision Pencil Compass 9 in

Product Description

The GENERAL TOOLS 842 is a precision pencil compass designed for accurate scribing, marking, and layout work on job sites and in workshops. Built around a fulcrum spring handle, it holds position through a full arc without slipping, allowing repeatable circles, contour traces, and edge marks. The jaw opens to a maximum capacity of 9 inches, giving users the reach needed for larger layout tasks. At 0.2 pounds, it is light enough to carry in a tool apron for all-day use. Carpenters, finish tradespeople, and general contractors rely on this type of tool for cabinet fitting, flooring layout, and trim work.

The 842 suits residential and light commercial finish applications where consistent scribe lines are critical. It is commonly used when fitting cabinets to irregular walls, scribing baseboards to uneven floors, and marking circular cutouts on wood or similar substrates. The 9-inch jaw capacity accommodates most standard layout tasks without requiring a larger trammel-style tool. This compass accepts a standard pencil, keeping replacement supplies simple and low-cost on any job.

Key Features

• Fulcrum spring handle maintains consistent jaw tension through the full arc of travel
• 9-inch maximum jaw capacity handles a wide range of scribing and layout tasks
• Accepts a standard pencil for easy field replacement
• Lightweight at 0.2 pounds for comfortable all-day carry
• Suited for contour tracing, circle marking, and edge scribing on wood and similar surfaces

Compatibility

Designed as a general-purpose scribing and layout compass compatible with standard pencils, suitable for carpentry, finish work, and general construction marking tasks.

Installation Notes

No installation is required for this hand tool. Insert a standard pencil into the compass jaw and tighten the clamp before use. Verify jaw tension is consistent before beginning a scribe run to avoid drift mid-arc. Keep the pivot point clean and free of debris to maintain marking accuracy.

Technical Specifications

• Maximum Jaw Capacity: 9 inches
• Weight: 0.2 pounds
• Unit of Measure: Each
• UPC: 38728241269

Standard Information

• Brand: GENERAL TOOLS
• Manufacturer Part Number: 842