New Sealed Boxed Kluber Isoflex NBU 15 is one of the most well known spindle bearing grease on the market. Purchase a Kluber NBU 15 Applicator 50ml to apply grease lubrication with pin-point accuracy. A Kluber Isoflex NBU15 grease applicator greatly eases the task of applying small measured amounts of NBU 15 lubrication grease to bearings, linear guides, spindles and more. Grease applicators assist in preventing the wasting of excess grease during application. Our Kluber Isoflex NBU 15 grease lubrication applicators are 50ml.