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 in. 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 in 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.

Marked both sides, both edges. Graduated to 1/16ths both edges. 16 in 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.

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.

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.

Since 1869, Crescent Lufkin? has stood at the forefront of measuring tools and equipment, with industry leading quality and innovation. We enable the consumer or professional user with reliable, precise, durable lines of products, including our wooden measuring rules. Since patenting the Lufkin? folding rule in 1919, we've been manufacturing top quality tools, like this rule which features brass joints, clear graduation markings and highly visible red root figures.

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.