Plastic Snap In Bushing Set, 20 Pcs, 1.125 Inch Mounting Diameter, Fits 27.5 To 28.5 Millimeter Holes, Nylon Knockout Bushings, Inner 0.96 Inch, Outer 1.23 Inch, Black, Durable Quick Install For Panels And Electrical Enclosures

20 Pcs Plastic Snap-In Knockout Bushings for 27.5-28.5 mm ✔️ Mounting dia 28 mm (1-1/8 in); inner 24.3 mm; outer 31.2 mm; height 11.6 mm

These black nylon snap-in knockout bushings install quickly in panels and electrical enclosures to smooth rough holes and protect cables. They’re built to withstand vibration, insulation needs, and daily wear in industrial and residential electrical boxes.

✅ Mounting diameter: 28 mm (1-1/8 in)
✅ Inner diameter: 24.3 mm (0.96 in)
✅ Outer diameter: 31.2 mm (1.23 in)
✅ Height: 11.6 mm (0.46 in)
✅ Material: UL-certified flame retardant nylon 6/6, -0.4°F to 221°F
✅ Pack: 20 pieces, black

💡 What is a plastic snap-in knockout bushing used for in electrical panels and enclosures?

This handy accessory helps seal, insulate, and protect cables as they pass through metal panels. - Seals rough knockout edges to prevent insulation damage
- Guides and protects cables from vibration and wear
- Snaps into mounting holes for fast, secure panel installs
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