4589 square rulers products are offered for sale by suppliers on Alibaba.com, of which other measuring & gauging tools accounts for 23%, rulers accounts for 18%, and other hand tools accounts for 17%.
A wide variety of square rulers options are available to you, such as aluminum alloy, stainless steel and aluminum.You can also choose from odm, oem and obm square rulers,as well as from black, silver, and custom square rulers, and whether square rulers is triangular ruler, straight ruler, or triangle ruler.