Introducing MOXI Mount's high-quality 1.5 inch aluminum round mounting base, perfect for securely attaching your device to a surface. Compatible with C size ball socket arms, this round base provides a sturdy foundation for your device mounting needs. Made with durable aluminum, this mounting base is built to last and withstand the rigors of everyday use. Whether you need to mount a phone, camera, or GPS device, MOXI's 1.5 inch round base has got you covered. Trust in their reliable and versatile mounting solutions for all your device mounting needs.