Plastic Knockout Plugs - This Plastic Cap plugs knockouts in any enclosure.

Plastic Knockout Plugs features include:

• Use this Knockout Hole Plugs to plug unused knockout holes in box or enclosure
• Trade Size indicated in Chart Indicates Conduit Size For actual OD dimension see Mounting Hole Diameter in chart
• Dimension Measurements = Inches
• (21721 - 21722)Order Qty of 100 = 1 Bag of 100
• (21723)Order Qty of 50 = 1 Bag of 50

Click on Cat Numbers in Chart Below for Spec Sheets



Below is more info on our Plastic Knockout Plugs