
The Vocas Clamping Block can be attached to the rear of any of the USBP base plates: USBP-15F, USBP-15D, or USBP-19/15D Universal Shoulder Base Plate, and allows the use of 15mm rear rods, which are also height adjustable.
Compatibility USBP-15F, USBP-15D, and USBP-19/15D Universal Shoulder Base Plates