The best replacement for straight edge is serrated.

The best alternatives to straight edge are rated as following:

★★★★★	serrated
★★★	safety razor
★★★	ruler
★	juggalo
★	serrated edge
★	serrations
★	straight edge
★	partially serrated
	tanto
	drug free
	combo edge
	combo
	juggalos
	shavette

Your alternative for straight edge is not listed? Suggest!

Speaking about straight edge, one probably shouldn't forget about circular saw.

Other search terms related to straight edge and their ratings are:

★★★★★	circular saw
★★★	being straight edge

You have in mind a companion for straight edge and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of straight edge in all years. Click on graph for more.

straight edge

serrated

safety razor