Easily attaches poly film, shade cloth, netting and other material to 1/2" EMT conduit ABS plastic is reinforced for excellent durability and metal holding clip for extra holding power Front resistant and UV stabilized for reliable long-term use outdoors Easy attachment for greenhouses, hoop houses, row covers, cold frames, tarps, quilt frames, and more Designed to keep tight hold of your material even in windy environments Reinforced plastic clamps snap easily over plastic film, shade cloth, tarps and netting to 1/2 inch EMT pipe (Outside diameter of 3/4"). Our clamps are frost tolerant and UV stabilized for long lasting indoor or outdoor use. Ideal for row covers, greenhouse plastic or shade cloth, quick hoop house attachment, tarp shelter frames netting frames and even quilting frames.