Simply thread a tube of grease onto the pump for the perfect solution to all your precision regreasing needs, whilst avoiding the problem of contaminated grease which is common with openThis long tip grease pump is suitable for use with all grease Guard purgeable bearing systemsThe pumps special long tip is precision radiused to mate exactly with all popular grease fittings, and delivers about 2 cc of grease per strokeThis feature avoids seal damage, and helps eliminate the problem of over greasing which can actually increase friction in a bearingLong tip will reach even the most recessed suspension pivot grease ports.