If customers with the old Pryor stand models  008-0835-01 or 4500-60 for VSM300 or Spot Lxi need to replace the knob screw for the mounting plate (or the entire mounitng plate), they will need to order platform replacement mounting kit # 407422. The knob screw is not available by itself.

Mounting Kit for 008-0835-01 & 4500-60 Stands = 407422