(Used) Delrin D Rings. Used by telecom installers to organize cable runs. Hang these from your benchwork to organize cable runs. Open slot makes it easy to add more wires later, slippery Delrin makes pulling easy. Good for DCC or Signal wiring. Sold in 10 packs. 3 sizes (interior space). Open design means you can fill to 80% versus 30% for holes drilled in joists!

• 1" x 3"
• 2 1/4" x 2 3/4"
• 2 3/4" x 4"