Manfrotto R501.15 Friction Disk

The 3 Legged Thing QR4 Release Plate is designed for ultimate functionality, compatible with standard 38mm Arca Swiss compatible bases, and QR4 sits tight to your camera without any movement or drift. With milled stainless steel camera screw, the QR4 is secure and strong.

– Extended Height: 40cm
– Min Height: 19.8cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 28.6mm
– Max Tube Diameter: 36.2mm

– Min Height: 19.6cm
– Extended Height: 40cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 25.2mm
– Max Tube Diameter: 32.4mm