Features Zinc version suitable for underground mining Typical output: 34,450 – 68,900kPa (5,000 – 10,000psi) High quality pistol grip grease gun with 12 flexible extension Unique variable stroke operation Delivers 0.68g per shot of grease up to NLGI No. 2 Suits 450g cartridge, bulk or grease transfer pump filling . Type: Trigger. Material: Aluminium/Steel/Nitrile Rubber/Cork And Nylon. Capacity: 450 g. Pressure rating: 10000 psi. Application: Suitable for underground mine use.. Feature: Flexible 230 mm high pressure extension hose, 3 jaw high pressure coupler, up to 0.68 g per shot, heavy-duty 1.6 mm thick barrel, robust zinc pull handle, maximum viscosity-up to NLGI 2, compatible with 450 g cartridges for contamination free greasing, can be filled from a bulk supply of grease-economical & contamination free greasing, 9 mm diameter hand operated filler/bleeder outlet-for use with.