The MID49 TWIST Mount EVF Canon Monitor Spud is engineered to work with the optional TWIST Mount EVF Knuckle, enabling a customizable EVF mounting setup for your camera. This spud includes a 15mm rod on one end and a Canon monitor spud on the other, offering compatibility with the C400, C300 Mark III, and C500 Mark II. Its variable friction design allows for effortless adjustment of the monitor angle to suit your needs.