Standard 15mm Micro Rod 1.5 Inches Long with 1/4" Male Female Thread for Clamp Mount - 915 This 1.5" rod can serve as 15 mm quick release mount for adapting anything that requires a male or female 1/4" 20 connection. It is often used in conjunction with a clamp Mount (not included) or CheesePlate (not included). 1/4"-20 male mount with locking wheel can tightly secure items such as external monitors, microphones, lighting and many other accessories A 15 mm micro rod with 1.5" total length (38 mm) --- comes with 1/4"-20 male thread on top ,1/4"-20 female thread at bottom. Stainless Steel Screw.