Product Overview The Premium 36-40mm Square Expander is designed for robust applications requiring reliable expansion capabilities. This product comes with a 10mm cap head bolt, ensuring a secure fit and optimal performance in various settings. Features Adjustable size range: 36-40mm Includes a durable 10mm cap head bolt Ideal for both professional and industrial applications High-performance design for maximum reliability Applications This square expander is suitable for multiple uses, including: Construction projects Mechanical assemblies Furniture fittings DIY home improvement tasks Technical Specifications Size: 36-40mm Cap Head Bolt Size: 10mm FAQ What materials is the expander made from? The expander is made from high-quality materials to ensure durability and strength. Can this expander be used outdoors? Yes, it is suitable for both indoor and outdoor applications, provided it is maintained properly. Is the cap head bolt included with the expander? Yes, the 10mm cap head bolt is included with the square expander.