Hi, selling 11 x 2.4m k forms with tear off strips and 8 x extensions if needed. Comes with 20 or so joiners.

Features & Benefits: K-FORM K85 Screed Rail Plus 1 Joining Clip - 2400mm x 155mm x 85mm
Includes pre-drilled holes in base and vertical face
Fast, tool-free installation with flawless straight joints that meet elite-facility standards
Corrosion-resistant, reusable and 100% recyclable construction