SIZE: 2"(63.6mm) Drill Hole, 2-1/16"(52mm) ID Top Hat Grommets, with 2-3/4"(70mm) Upper diameter, Height of 9/16"(14mm), and 3.5mm 0.14" Upper Thickness, Total 1 pc of Silicone Rubber Grommets.
 
HIGH QUALITY MATERIAL: These grommets are made of flexible and durable silicone rubber, which is excellent for flexibility & water resistance
 
EXCELLENT PERFORMANCE: Rubber grommets resistant to high and low temperatures (-40°C ~ +250°C), waterproof and flame retardant, corrosion resistant, abrasion resistant, etc.,