CLEAR PARALLEL RULES

BN21 - 12";  BN22 - 15";  BN23 - 18";  BN44 - 24"

Crystal clear plastic.
Equipped with friction pads to prevent slipping while in use.
Metal hinges provide extra strength, and are corrosion-resistant.
Both sections of the rules are beveled outwards.
High quality at a reasonable price.
usually ships within 24 hours

BRASS-HARDWARE PARALLEL RULES
Solid Brass Links - BN37 - 15";
Chrome-Plated Brass Links - BN53 - 18"; BN40 - 21"

With Brass links.
Springs built in the bearings ensure smooth movement.
Cork discs prevent sliding while in use.
Crystal clear, extra-strong acrylic.
Plot with no compass rose visible, or on folded charts.
Fast, easy and accurate.
usually ships within 24 hours

DEGREE-MARKED PARALLEL RULES
BN55 - 12"; BN56 - 15"; BN57 - 18"

Parallel Rules with protractor degree markings.
Crystal clear plastic.
Equipped with cork friction pads to prevent slipping while in use.
Hinges made of corrosion-resistant metal.
5mm thickness.
Beveled on all four edges.
usually ships within 24 hours

CAPTAIN FIELDS PATTERN PARALLEL RULES
BN104 - 15-3/4";  BN105 - 19-1/2";  BN106 - 24"

Divided with protractor markings (double reading) and compass points.
Super-strong acrylic, beveled on all four edges.
Nickel plated corrosion-resistant brass links.
Rubber pads to prevent sliding.
usually ships within 24 hours