PC-40 Universal Arca standard QR clamp, T6061 aluminum main body, elaborately CNC machined with hard coat anodizing finish, ensuring it's durable and resistant to abrasion and corrosion.Stress point of the lever and screw is S304 stainless steel which extends the longevity of the clmap
Clamp adopts screw-knob tightening, better compatibility with QR plates from different manufacturers.
Two-in-one knob provides easy operation and clean structure. The outer knob locks the QR plate and inner one controls the 360 degrees panning base.
360 panning base rotates smoothly and quietly,can be tightened by the panning base lokc-knob.
Arca mounting socket at the base of the clamp so it works with different tripods and ballheads..Universal Arca Swiss QR Plate SP-38QB with QD socket and included with a 1/4" screw.