Original: $0.69
-65%$0.69
$0.24The Story
7/8" Plastic Button Hole Plug – Snap-In Hole Cover
Easy Snap-In Plastic Hole Plug for 7/8" Holes
Seal and cover unused holes in your panels, electrical boxes, or project enclosures with this 7/8" plastic button hole plug. Designed for a simple press-fit installation, this plastic hole plug effortlessly snaps into place—no tools or hardware required!
Versatile Plastic Button Hole Plug
This high-quality button hole plug is the perfect solution for filling open 7/8 inch holes in metal, plastic, or wood panels. Frequently used as a plastic knockout plug or round hole filler, it helps protect against dust, debris, and accidental contact with unused knockouts.
- Panel Hole Diameter: 7/8” (approx. 22mm)
- Material: Durable, lightweight black plastic
- Installation: Press-fit, snap-in – no tools needed
- Application: Fills unused holes in electrical panels, project boxes, machinery, DIY builds, and more
- Quantity: 1 per package
- Manufacturer: Hillman
- Manufacturer Part Number: 58185-E
Reliable 7/8" Hole Cover for Panels & Projects
Use this snap-in plastic button plug for a secure fit in electronics enclosures, switch boxes, or anywhere you need a plastic hole cover or panel plug. Its smooth, low-profile finish blends seamlessly with any project for a clean, professional look.
Choose an easy, mess-free solution with this 7/8" plastic hole plug—ideal for home DIY, electrical repairs, crafts, and custom builds.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
7/8" Plastic Button Hole Plug – Snap-In Hole Cover
Easy Snap-In Plastic Hole Plug for 7/8" Holes
Seal and cover unused holes in your panels, electrical boxes, or project enclosures with this 7/8" plastic button hole plug. Designed for a simple press-fit installation, this plastic hole plug effortlessly snaps into place—no tools or hardware required!
Versatile Plastic Button Hole Plug
This high-quality button hole plug is the perfect solution for filling open 7/8 inch holes in metal, plastic, or wood panels. Frequently used as a plastic knockout plug or round hole filler, it helps protect against dust, debris, and accidental contact with unused knockouts.
- Panel Hole Diameter: 7/8” (approx. 22mm)
- Material: Durable, lightweight black plastic
- Installation: Press-fit, snap-in – no tools needed
- Application: Fills unused holes in electrical panels, project boxes, machinery, DIY builds, and more
- Quantity: 1 per package
- Manufacturer: Hillman
- Manufacturer Part Number: 58185-E
Reliable 7/8" Hole Cover for Panels & Projects
Use this snap-in plastic button plug for a secure fit in electronics enclosures, switch boxes, or anywhere you need a plastic hole cover or panel plug. Its smooth, low-profile finish blends seamlessly with any project for a clean, professional look.
Choose an easy, mess-free solution with this 7/8" plastic hole plug—ideal for home DIY, electrical repairs, crafts, and custom builds.










