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15 Sizes Rubber Grommet Kit, Round & Tower Shaped Firewall Grommets with Knife, 15 Sizes (13/16" to 2-3/8") Rubber Hole Plugs for Automotive Truck Electrical Cabinet Cable Wire Protection
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 31, 2026 1:19 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
TAISHUN
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓This rubber grommet assortment kit includes total 30 pieces grommets in 15 drill hole sizes, split into 16pcs round rubber grommets(13/16",7/8",1",1-3/16",2-3/8",2",1-9/16"), 14pcs tower shaped rubber grommet(7/8",1",1-3/16",1-3/8",1-9/16",2",2-3/8"), 1pcs knife. Drill hole sizes range from 13/16" up to 2-3/8", each size contains 2 grommets to meet all daily wiring, automotive and electrical repair needs.
✓Made of premium flexible rubber with great insulation, waterproof, dustproof and shock absorption performance. The slit inner design fits various diameter cables tightly, effectively shielding wires from sharp metal panel edges, abrasion, moisture and dirt. Works stably under high & low temperature, resistant to oil and aging for long-term use on trucks, equipment cabinets and machinery.
✓Two styles of firewall grommets for versatile application: flat round grommets fit thin single-layer metal panels; tower shaped grommets adapt to thicker boards and uneven drill holes. Widely used for automotive firewall wiring, electrical control boxes, computer chassis, marine equipment, household appliances, RV truck modification and DIY wiring projects.
✓Comes with a mini retractable cutting knife as a matching tool. You can easily cut cross slits on the inner rubber surface to expand the inner opening, perfectly fit thick multi-core cables or bundled wires. The compact cutter can be stored in bag, convenient for field repair without extra cutting tools.
✓No complicated tools required for installation: just snap the grommet into pre-drilled holes, use a knife to cut the diameter of the rubber, then insert the cable into the drill hole. Smooth burr-free surface won’t scratch wires or panels, reusable for repeated disassembly and maintenance, ideal for professional electricians and DIY enthusiasts.
⚙️ Specifications
Material
Rubber
Brand
Hmknana
Color
Black-15 Sizes
Number of Items
1
Unit Count
15 Count
Brand Name
Hmknana
Manufacturer
Hmknana
Manufacturer Part Number
H-M-141-30PCS
Best Sellers Rank
See Top 100 in Industrial & Scientific
ASIN
B0G3VXT3QR
Customer Reviews
4.6
