About This

• Dimension and Quantity: 30 pcs black snap-in knockout bushing; Mounting Dia:20 mm(3/4"); Fits hole diameter:0.78~0.81 in(19.7~20.5 mm); Inner Dia:0.61 in(15.5 mm); Outer Dia:0.91 in(23.2 mm); Height:0.43 in(11 mm); Thickness:0.07 in(1.7 mm)
• Premium Material: Our nylon bushing are made of tough, UL certified flame retardant nylon 6/6, 94V-2 UL, with good insulation and protection effect, wear-resistant, corrosion-resistant, lightweight, strong and durable, and temperatures from -0.4°F to 221°F; No cracking or breaking, even with the largest wire combinations under extreme pressure
• Powerful Features: BOPOREAE knockout electrical bushing converts raw edged knockout holes to smooth, neat, insulated holes and absorbs vibration and cushions; The cable hose bushing grommet can also fix cables and prevent abrasion or scratches to improve safety
• Easy Installation: The plastic cable grommets are easy to install as the bushings snap into mounting holes with fingertip pressure and lock firmly in place; Our plastic snap bushings protect electrical cables, ropes, tubes and utility lines passing through metal chassis 1/8 maximum steel thickness
• Wide Applications: Snaps into electrical outlet box, switch box metallic box or other enclosure; Our hole bushing provide insulation and mechanical protection for electrical and telecommunication cables in most residential, industrial, automotive equipment and machinery