SHAPE BLACKMAGIC URSA MINI V-LOCK QUICK RELEASE BASEPLATE, Base plate designed to fit perfectly the Ursa mini, V-lock delta adapter at the bottom of the baseplate, 8 inches rods at the front and 4 inches at the back of the baseplate, Rods made of lightweight hard anodized aluminum for strength and durability, Length adjustable rods using red ratchet knob, Easy to install and adjust, Removable Velcro shoulder pad, 1/4-20 &