The AndyMark Compliant Stars 3/8in. Hex Bore, Durometer 60A are designed for efficient intake mechanisms. The firm material allows for the manipulation of rigid objects with ease, while the multiple-spoke design enhances surface interaction, making it ideal for high-performance intakes and conveyors. The star's structure can be adjusted by cutting along molded guidelines to fit compact mechanisms. The black variant, with a durometer of 60A, offers a balance of firmness and compliance, suitable for applications requiring higher RPM capabilities.