EASYEAH 1/2"(13mm) Opened Black Snap-in Knockout Insulating Bushing, Plastic Cable Hole Grommets for Wiring, Round Nylon Snap in Locking Electrical Wire Cord Hose & Tubing Bushings Grommets, 50 pcs

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• PACKAGE&SIZE: You will got 50pcs of opened black snap-in knockout bushing for this package with Mounting Dia: 1/2"; Fits hole diameter: 0.51~0.53in(12.9~13.5mm); Inner Dia: 0.39in(10mm); Outer Dia: 0.65in(16.4mm); Height: 0.41in(10.52mm)
• HIGH QUALITY MATERIAL: EASYEAH plastic cable grommets 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 will not crack or break, even when applied to maximum wire combinations under extreme pressure
• EASY TO INSTALL: Easily locks into hole firmly with fingertip pressure; multiple locking steps lock the board firmly; Our split plastic snap bushings protect electrical cables, ropes, tubes and utility lines passing through metal chassis 1/8 maximum steel thickness
• GREAT FUNCTION: Our knockout insulating bushing converts raw edged knockout holes to smooth, neat, insulated holes and absorbs vibration and cushions; Our cable hose bushing grommet can also fix cables and prevent abrasion or scratches to improve safety
• VERSATILE APPLICATION: Snaps into electrical outlet box, switch box metallic box or other enclosure; Our wire bushing provide insulation and mechanical protection for electrical and telecommunication cables in most residential, industrial, automotive equipment and machinery