If you own a CoreXY machine or any 3D printer running on linear rails, then you will have learnt by now that they need regular lubrication with the industry choice, SuperLube multi-purpose synthetic grease part number 21030.But how to get it into the linear bearing without a big mess and wastage of a relatively expensive lubricant.Answer is with one of these syringes with the multi-nozzles.But how do you get the grease into the syringe without a big mess - the answer is to use these Superlube nozzles, modelled by #3DPrintChCh, which fit and seal perfectly - no mess, no fuss.Syringe: https://www.aliexpress.com/item/1005003086954184.htmlNeedles(E): https://www.aliexpress.com/item/1005003849623711.htmlLubricant: https://www.aliexpress.com/item/1005007637358201.htmlNote these links are examples - I receive no $ from thesePlease support my design skills by purchasing this 3D model