The BrassCraft Zip-It tool, designed, machined and assembled in the U.S.A., is a thin plastic strip that is 20 in. long with 18 in. of specially designed sharp teeth to grab a clog and pull it back out of the drain. It is a safe, reliable and cost-effective way to resolve many common clogged drain problems. Its superior strength and flexibility allows it to work around traps to free clogs. And its environmentally friendly-no need for harsh chemicals.