Snap-In Rubber Grommets for 1/2" Panel Hole Pack Sizes Available: 12 / 24 / 50 Product Highlights: ID (Inner Diameter): 5/16" – Suitable for cables and wires. OD (Outer Diameter): 5/8" with a top flange for a professional finish. Groove Design: Fits 3/16" Thick Wall Material panels. Material: SBR rubber, offering excellent abrasion resistance and flexibility. Key Features: Wide Applications: Ideal for electronics, automotive, marine, trucking, and powersports uses. Cable Protection: Prevents abrasion and damage from sharp edges when wires pass through panel holes. Durable Resistance: Handles water, abrasion, moderate chemicals, organic acids, alcohols, ketones, and aldehydes. Easy to Install: Push-in or snap-in design; mallet installation compatible. Specifications: Panel Hole Size: Fits 1/2" diameter. Overall Thickness: 1/2". Material Standards: ASTM D2000 AA, BA. Tensile Strength: 500 psi; elongation 600%. Durometer Hardness: 55A ± 5. Quantity Options: Available in 12, 24, or 50 packs to match project requirements. Applications: Vintage autos Motorcycles and powersports Electronic panels Marine uses