C-LINE - Two-Pocket Heavyweight Poly Portfolio Folder with Three-Hole Punch, Primary Colors, Box of 36 2301 it features a 1/2-inch male

it features a 1/2-inch male pipe thread (MPT) on each end

Its ergonomic design ensures a snug fit

With a convenient 1-pound pack containing approximately 128 screws

this product is crafted to provide relief without the use of unnatural additives

C-LINE - Two-Pocket Heavyweight Poly Portfolio Folder with Three-Hole Punch, Primary Colors, Box of 36 2301 it features a 1/2-inch maleNeed some help keeping your three ring binder in order? With these specialty two pocket folders, letter size papers can stay organized, while still remaining accessible. Two pocket heavyweight polypropylene portfolios folders hold papers and resist tearing. Features three hole punching for secure storage in standard 3 ring binders. Cut outs at the top and bottom keep portfolio from being caught in binder open close mechanism. Assorted primary colors