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Leica CLR290 2.9M Telescopic Floor to Ceiling Level Pole - Protrade
Firecore Telescopic Pole 3.7m with Tripod and 1/4 "x 20" Laser Mount for Rotating Lasers and line Lasers, Adjustable Laser mounting Pole with 5/8 "Thread Adapter - FLP370C : Amazon.co.uk: DIY & Tools
Bosch GCL215G Green Self-Levelling Cross-Line Laser Level - Screwfix