100 Bushings for pre-punched hole or 1-11/32' (34.1 mm) diameter hole punched by 710 Metal Stud Punch
Helps protect wire insulation from sharp edges of metal studs
Makes pulling smooth and easy by preventing hang-ups of cable on raw metal edges
Locks securely into metal studs from 24 gauge to 12 gauge (0.6 mm to 2.5 mm)

Technical Details

Size (LWH): 16.3 inches, 9.9 inches, 3.8 inches
Product Details
Product Dimensions: 16.3 x 9.9 x 3.8 inches
Shipping Weight: 1.35 pounds (View shipping rates and policies)
ASIN : B000LE388G