J&C TEC Screed Leveling Tripod for checking Height in Liquid Mortar, Three-sided Unique Ruler Display, Laser Line on Axis Ruler - 10 EA with PVC Box (JNCTEC 10) - Amazon.com
20 x Zinc Plated Mild Steel Screed Levelling Tripods | screedsdirect.co.uk – Screeds Direct
Stainless Steel Screed Levelling Tripod
Floor Level Screed & Concrete Tripod for sale online | eBay