Top 20 Best Selling Straight Edges Rules, Squares & Protractors (2019)




The Kimberly Clark Jackson Safety 14797 Curv-O-Mark replacement dial and level combination is a replacement 180 degree protractor level with dial for use in Curv-O-Mark measuring tools #4, #6, #7, #8, #20, and #33 (sold separately). It has a bubble level ... more info

Aids in the setting of center lines, establishing angles and marks for butt-ins, locating points inside pipes and tanks, laying out keyways and measuring declivity. Standard Model is used on pipe 1/2 in diameter and larger and has a 4 in Y-type head fitte ... more info


Economical tool for marking straight lines around pipe, or for use of a straight edge. Made out of flexible gasket material, with good resistance to heat and cold. Material types are asbestos free. All sizes are printed with a scale in inches, itch chart, ... more info


Economical tool for marking straight lines around pipe, or for use of a straight edge. Made out of flexible gasket material, with good resistance to heat and cold. Material types are asbestos free. All sizes are printed with a scale in inches, itch chart, ... more info



Designed for use with burning torch or as straight edge. The burning guide is cast of strong, durable material to withstand heat spatter. Tool's base has three 30-pound pull cast-in magnets for use in any position. ... more info

Aids in the setting of center lines, establishing angles and marks for butt-ins, locating points inside pipes and tanks, laying out keyways and measuring declivity. Jumbo Centering Head is ideal for pipe 1 in diameter and up and has an 8 in Y-type head an ... more info



Made of tempered aluminum to make them tough, yet light.Size:8.FT Long x 3 High x 7/8 Wide. ... more info

The test edge is approximately 0.004 in thickness, a cross section of which has radius to provide a straight line contact with the work surface. Straightness is +/- 0.00005 For ease of inspection, the blade is dyed in black, and the upper edge is covered ... more info



Economical tool for marking straight lines around pipe, or for use of a straight edge. Made out of flexible gasket material, with good resistance to heat and cold. Material types are asbestos free. All sizes are printed with a scale in inches, itch chart, ... more info


Economical tool for marking straight lines around pipe, or for use of a straight edge. Made out of flexible gasket material, with good resistance to heat and cold. Material types are asbestos free. All sizes are printed with a scale in inches, itch chart, ... more info


Compact, time-saving tool used to lay out pipe and structural steel joints. Ideal for quick, precise layout of laterals at any angle, tees, wyes, crosses, elbows, any type or size of joint. Eliminates complicated mathematical formulas, cut and try, and ne ... more info

#30 attachment for pro-mag burning square and magnetic burning guide. Use with #28 magnetic burning guide. 48 overall length. ... more info

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