Defence Oil OX -538 size:10L there are many Chinese brand

there are many Chinese brand also making same inserts so you can just check description of size from other brands to fix this insert

Designed for long service life and smooth gear operation

Ratchet Stop Series: Ensures constant measuring force for consistent results

Z PREMIUM Transformer Oil is a high-quality

Artillery & Heavy Weapons:

Defence Oil OX -538 size:10L there are many Chinese brandApplications of Defence Oil OX 538 5L Z Premium OX 538 is a special grade rust preventive oil formulated for long term corrosion protection of military grade weapons, tools, machined parts, and metal surfaces. It provides a dry, non tacky protective film, ideal for situations where clean, residue free protection is critical, especially during storage, handling, and overseas shipment. Long Term Corrosion Protection Designed for safeguarding ferrous and