Ensure reliable and adaptable access control with the BOLL2583 receiver, crafted from high-quality polyurethane plastic for exceptional durability. Designed to be compatible with the 3 7/8" bollard outside diameter, this receiver is perfect for areas with changing access needs. Key Features: Robust Construction: Made from durable polyurethane plastic, ensuring long-lasting performance. Easy Installation and Removal: Use the included key and lock to effortlessly install or remove bollards as needed. Flexible Application: Ideal for areas requiring adaptable access control, such as parking lots and pedestrian zones. Secure Embedding: Embed receivers into new concrete, ensuring proper drainage to maintain functionality. Upgrade your access control system with the BOLL2583 receiver and enjoy the perfect blend of durability and flexibility. The product specifications are as follows: Material: polyurethane plastic. Net in Diameter: 3 7/8". Upstand Height: 8 In Weight: 6 Lbs. MQO 15. Lead time 6-8 weeks.