These are End of range: So when there gone there Gone 
excellent value for money and are mainly used on conveyor systems and larger tables and food machinery where cost is an important consideration. The stems are made of 304 grade stainless steel . The bases are made of solid Polypropylene and options are available for colour (Black/White) and type (Conical/Bolt-down). These are semi-fixed so it will tilt a little bit, but the base can never come off the stem.
Please see the Sizes we have 

All goods are carried in stock for next working day delivery.

Stem: 304 grade stainless steel

Base: Polypropylene

Foot load rating =  Bolt/down 500 kg - conical 750Kg

Inserts load rating (all plastic construction) = N/A

Inserts load rating (with brass thread) = 800Kg

Threaded weld plates load rating = 1000 kg

1. Stem diameter (D1) - 12mm, 16mm 
2. Stem length (D4) - 115mm or 165mm
3. Base diameter (D) - 80mm  
   
4. Base colour: White or Black
   
5. Base type: Conical or Bolt/Down 
   
6. Additional Locking Nuts? - Select additional locking nuts
7. Threaded insert? - Select from various dimensions/all plastic or with brass nickel plated thread
8. Threaded weld plate? - Select from various dimensions (these are cut 1mm smaller & have rounded corners for easy welding)

These adjustable feet are mainly used on conveyor systems and larger tables and food machinery where cost is an important consideration.