SBS Bar Chair Spacer 75/90mm, Plastic Reinforced Concrete Chair Spacer for Rebar Support 100 Packl

🏗️ PRECISE 75/90MM HEIGHT REBAR SPACING Standard 75mm & 90mm sizing accurately lifts steel reinforcement bars, maintaining required concrete cover thickness for construction compliance. Ideal for slab, foundation and floor concrete projects. 💪 HIGH-IMPACT DURABLE PP PLASTIC BUILD Made from tough rigid black polypropylene plastic, anti-crush & crack-resistant under concrete weight. Resists corrosion from cement, moisture and harsh construction environment. 🦵 STABLE OPEN-LEG SUPPORT FRAME Multi-prong split leg & circular base design delivers large ground contact area, prevents sinking into wet concrete or loose sand. Hollow open structure lets concrete fully wrap around for solid anchoring. ⚙️ WIDE CONSTRUCTION APPLICATION Perfect for residential foundations, concrete floor slabs, bridge decks, driveway pavement and commercial civil engineering. Fits standard SBS specification rebar placement requirements. 📦 COST-EFFECTIVE BULK BUILDING SUPPLY Uniform mold production for consistent dimension, easy quick installation on-site, drastically improves construction efficiency. Economical bulk pack option for contractors and builders.