Alvin Drafting Supplies

Alvin Speed Bow Introductory Compass

This Alvin 6½" Speed Bow compass has smooth action rapid adjustment feature, durable cast zinc construction, black fiberglass crown and reinforcements. Features double knee joints for parallel leg positioning and precise drawing of large radii.

Makes circles up to 12" diameter. This is a durable and economical compass for introductory level drafting and drawing requirements. Comes in a clear top protective plastic case with spare lead.

Alvin Fiberglass Bow Compass

The Alvin Bow Compass draws circles up to 10" in diameter. Made out of durable fiberglass, this compass has a smooth action center spindle, strong legs made from cast zinc and includes an extra needle point for use as a divider. Spare leads in a convenient storage tube.

Alvin Speed Bow Pencil Compass/Divider

The Alvin Speed Bow 6" Pencil Compass/Divider consists of a durable fiberglass crown with nickel-plated zinc legs and a smooth-action center-wheel spindle mechanism. Each compass is color plated. Compass colors include black, red, blue and green. Can create circles from 1/8" to 12" in diameter. Comes in a protective plastic carrying case.

Alvin 6" Universal Speed Bow Compass with Adaptor

The Alvin 6" Universal Speed Bow Compass comes with an adaptor and has a double break leg design. It also comes equipped with a universal attachment to hold technical pens, lead, cutting knives and fineline markers. Comes with a screw driver and parts for tension adjustment. Makes circles 1/8" to 12" in diameter. Comes in a protective plastic carrying case.