The Alvin Professional Jet-Bow Speed Compass, with an optional six-inch beam bar extension, is a functional and high-quality drawing equipment for drawing circles with diameter up to 20 inches. It features a gearhead construction that allows easy and quick adjustment for accurate and exact measurements. With a double break leg design for parallel leg positioning, it is ideal for creating larger circles with precision.
This six-inch jet-bow speed compass includes a ruling pen with handle and a technical pen adapter to accommodate all inking applications. It is also equipped with a spare parts tube that contains replacement compass leads, needle point, and T-bolt. Packed in a sturdy, transparent plastic case, the Alvin Professional Jet-Bow Speed Compass provides easy storage and total portability. It offers two different packages to suit various drawing and drafting needs.
Configuration Options
The Alvin Professional Jet-Bow Speed Compass comes in two different packages to accomodate various drawing needs. Please select your preference from the drop-down menu above.
975J: Compass Only
Includes:
- Alvin Professional Jet-Bow Speed Compass
- Spare Ruling Pen
- Slip Handle For Ruling Pen
- Technical Pen Adapter
- Replacement Compass Lead Tube
- Transparent Plastic Case
975VK: With Beam Bar Extension
Includes:
- Alvin Professional Jet-Bow Speed Compass
- 6-inch Beam Bar Extension
- Technical Pen Adapter
- Replacement Compass Lead Tube
- Transparent Plastic Case