This is an 18 gauge steel insert for residential usage that snugly fits into single-gang plastic boxes. These will also fit a few fiberglass boxes. Once the drywall and paint process is complete the insert is easily removed with a screwdriver. Simply insert in the center hole, twist, and pull it out to find your wires just as you left them.

This is an 18 gauge steel insert for residential usage that snugly fits into double-gang plastic boxes. These will also fit a few fiberglass boxes. Once the drywall and paint process is complete the insert is easily removed with a screwdriver. Simply insert in the center hole, twist, and pull it out to find your wires just as your left them.

This is an 18 gauge steel insert for residential usage that snugly fits into triple-gang plastic boxes. Once the drywall and paint process is complete the insert is easily removed with a screwdriver. Simply insert in the center hole, twist, and pull it out to find your wires just like you left them.

This is an 18 gauge steel insert for residential usage that snugly fits into quad-gang plastic boxes. Once the drywall and paint process is complete the insert is easily removed with a screwdriver. Simply insert in the center hole, twist, and pull it out to find your wires just like you left them.

This is an 18 gauge steel insert for residential usage that snugly fits into quad-gang plastic boxes. Once the drywall and paint process is complete the insert is easily removed with a screwdriver. Simply insert in the center hole, twist, and pull it out to find your wires just like you left them.

Contains 120 singles, 40 doubles, 20 triples, 5 quads, and 20 rounds. Substantial discount!