The Matthews MiniGrip Head is packed with features that make it a must-have for your kit. Contains two 3/8" Mounting Holes that interface easily with MICROGrip Rods and other 3/8" pins. A smaller notched receiver in the plate will Dots and Fingers, Monofilament, and other slim pieces. The Receiver has both 5/8" and 3/8" Mounts, making it compatible with every 5/8" Baby Pin and Baby Stands, as well as 3/8" Rods and pin mounts.