Rebar Support Products DS175, 1.75in Rebar Spacer Wheels, Max Bar #4 (450 pieces per carton) | Rebar Spacer Wheels and Concrete Testing Equipment - Certified Material Testing Products
The Guide to Select the Right Concrete & Plastic Spacer - MOMENT | A Product Brand of Leviat
Rebar and Mesh Conversion Supplies (Pty) Ltd, chair spacer, Espaçador Cadeira de Vergalhões, Espaçadores concretos da cadeira, espaçadores de vergalhão circulares de plástico
LTM CONCRETE Snap Rebar Chairs 2 inch (250 Pack) – Quick, Easy & Durable Support – Bar Sizes 3-5 - Heavy Duty Plastic Spacers - Made in USA: Amazon.com: Tools & Home Improvement
Pozzolan Construction Industries --- Plastic Spacer For Reinforced Concrete Cover