Product Overview The Premium Round Expander is designed for versatility and durability, measuring between 36-40mm. It features a 10mm cap head bolt that ensures secure fastening in various applications. Features Compatible with multiple setups and environments Robust construction for long-lasting use Easy to install, making it ideal for both professionals and DIY enthusiasts Technical Specifications Type: Round Expander Size Range: 36-40mm Bolt Size: 10mm Cap Head FAQ What is the size range of the Round Expander? The Round Expander is designed to fit sizes between 36mm and 40mm. What type of bolt does this expander use? This expander utilizes a 10mm cap head bolt for secure fastening. Is this product suitable for both professional and DIY use? Yes, the Premium Round Expander is perfect for both professional applications and DIY projects.