Rocker Base For Chair Material: Iron. Crafted from durable iron for longevity and stable support. Quantity: 2 pieces. Comes in a set of 2 to provide the right number for your table or chair extension needs. Design: 90degree folding. Folding design allows easy storage and space saving when not in use. Functionality: Selflocking. Selflocking mechanism provides a secure and stable connection for your furniture. Key benefits: Durable construction resists wear and provides long lasting performance. Two piece set covers typical extension requirements. Foldable design reduces storage footprint when not in use. Self locking ensures a secure, stable connection during use. Use scenarios: Extending a chair or table: Attach to furniture that uses a rocker base to create extra surface or seating space. Space constrained areas: Fold the base flat after extension to reclaim floor area in small rooms. Temporary setups or events: Use for quick, secure extensions where a stable connection is needed without tools.