PRODUCT FEATURES: Wet Umbrella Wrapping Machine Locking Device. Designed to fit under the WUWS-1000, WUWS-2000 Wheels. Can be attached to the ground permanently with Sika-Flex or Flat Head Dyna Bolts (not included). Locks to the base plate with a Pad Lock (not included). Professional Installation Required. Only $33.00 Inc GST.