Helmar - 250ml Bottles Type:Remove Cleaner (H3000) They are sized slightly larger

They are sized slightly larger than the neck diameter so that they hold solid on the case

Bullet diameter 6

oil-paste formula liquefies as you use it to quickly remove fouling

Can be threaded together to make even more varying lengths

Helmar - 250ml Bottles Type:Remove Cleaner (H3000) They are sized slightly larger(H2000) Helmar ISO PRO Superior Cleaning Power Helmar H2000 ISO PRO dissolves grease, grime, and residue effortlessly. From delicate electronic components to industrial equipment, this cleaner removes impurities without leaving behind streaks or residue. Advanced Sanitizing Action thanks to its high isopropanol concentration, Helmar H2000 ISO PRO provides potent sanitising properties. It effectively eliminates bacteria, viruses, and contaminants,