These insulating grommets are designed to convert raw-edged holes into smooth, neat, and insulated openings. They provide electrical and telecommunications cable insulation and mechanical protection for cables, tubing, hoses, ropes, and utility lines. The locking fingers snap into the holes with fingertip pressure and can be adjusted in fractional increments up to the maximum panel thickness. They are capable of withstanding a push-back force of 35 pounds. Available in multiple sizes to fit holes ranging from 0.250 inches (6.4 mm) to 6.00 inches (152.4 mm) in diameter. Additionally, brass-colored components are offered for lamp and lighting applications, including part numbers 2012 (SB 312-3 Brass), 2033 (SB 375-4 Brass), 2041 (SB 437-4 Brass), and 2096.