The device processes greases up to NLGI 2 at 20 °C. The form sleeve has a tight fit with loose grease or cartridges. The pump piston has a high precision fit to the cylinder, which eliminates false lubrication. The performance remains unchanged after 40,000 working cycles. The grease press head is made of zinc die-cast Z 410. The strong knurling ensures a secure grip. The handle on the push rod provides additional safety. The loose cover with a clamping piece allows for manual assistance of the spring force in any position for compressing loose grease or pressing the sleeve into damaged cartridges. Quick venting is achieved by a half turn of the grease press pipe.