Grease Types: Our Grease Guns and Pumps are designed to handle most of the popular multipurpose greases to NLGI - No.2 specification made with light to medium base oil viscosities. Specification: Develops up to 10,000 psi - to DIN 1283. Screwed end cap for easy cleaning, quick discharge of empty cartridge. Grease capacity 500cc bulk fill or 400g grease cartridge. Bulk filler nipple/air release. Precision machined 10mm piston for higher output/stroke. Extra strong spring. Long handle and barrel for extra leverage. Plastic handle grip and knurled barrel for a firm hold. Individually retail boxed with instructions.