Marked both sides, both edges. Graduated to 1/16ths both edges; 16" stud centers marked in red. Regular outside markings. For rules with inside markings, numbering begins on inside of rule with measurement laying close to work.

For measuring left to right, right to left. Marked both sides. Graduated in feet, inches and 1/16ths on both sides and both edges. Flat inside markings lie close to the work.

Designed for estimating board feet in a cut log. Graduated inches to 1/16ths lower edge. Outside markings for 10 and 18' logs; inside markings for 12, 14 and 16' logs.

Used by bricklayers for spacing brick courses. Spacing range 2-7/8" to 3-1/2" in 1/16ths increments. Brick spacings identified by black letters A-K. Rule is printed in yellow. Regular outside markings in black.  Brick Masons scale on inside, red course counter numbered consecutively.

Easy and fast to use by bricklayers. Graduated vertical inches to 1/16ths, both edges. Brick Mason's scale on inside, red course counters numbered consecutively. Regular outside markings in black.

Bold red and black markings contrast against white or natural pine finishes. Clear, abrasive resistant coating, riveted lock joints, brass plated end clasps and strike plates prevent wear. Graduated slide rule extends up to 6 inches. Slide rule runs under friction in T-slot and stops at each end to prevent slide from falling out. Marked both sides and both edges. Graduated to 1/16ths of an inch, 16 inch stud centers in red, regular outside markings.  Rules with hook the zero falls at inside of hook, for distance measuring. Rules with flat, inside markings; numbering begins on inside of rule.

Red foot figures; regular outside markings in feet and inches. Decimal points on engineer's scale prevent reading errors. Graduated in feet, 1/10ths and 1/100ths of feet.

All sections have square ends. Every joint opens on even number. Inside marked with 6 scales in A 16 in. module. Outside is graduated on both edges to 1/16Ths. The first end section is a short section. Permist butting the rule on the first 16 in. module.

Bold red and black markings contrast against white or natural pine finishes. Clear, abrasive resistant coating, riveted lock joints, brass plated end clasps and strike plates prevent wear. Graduated slide rule extends up to 6 inches. Slide rule runs under friction in T-slot and stops at each end to prevent slide from falling out. Marked both sides and both edges. Graduated to 1/16ths of an inch, 16 inch stud centers in red, regular outside markings.  Rules with hook the zero falls at inside of hook, for distance measuring. Rules with flat, inside markings; numbering begins on inside of rule.