MOD3DP Ruby Tip Nozzle for K1/ K1 Max 3D Printer, Abrasion Resistant, Funnel Shape, One for Any Materials (K1/K1 Max, 0.8mm) : Amazon.co.uk: Business, Industry & Science
The Olsson Ruby instructions for use - 3DVerkstan Knowledge Base
MOD3DP Ruby Tip Nozzle for K1/ K1 Max 3D Printer, Abrasion Resistant, Funnel Shape, One for Any Materials (K1/K1 Max, 0.8mm) : Amazon.co.uk: Business, Industry & Science