About:

knockout bushings, constructed of lightweight, corrosion proof, strong 6/6 nylon are suitable for use with electrical knockouts. Ideal for fast and easy snap in installation into a knockout in a box or enclosure with vacancies from maintenance or modifications. 

Also Known As:

Plastic Snap-In Bushings, Rubber Grommet Bushings, Metal Locknut Bushings, Split Bushings, Threaded Bushings, Flanged Bushings.

Specification:.

• Type : Knockout 
• Inch : 1/2 Inch
• Material : Nylon 6/6

Features: 

• Smooth rounded surface enables easy wire pulling. Resists wear, abrasion and damage from vibrations
• capable of withstanding a push back force of greater than 35 pounds
• Diameter sizes from 3/8” up to 3 7/8”, KO sizes from 1/2” to 3 1/2”.available in black.