LubriMatic 45 Grease Fitting 8mm 5 Pack 11-313These grease fittings, also known as zerk fittings, are 8mm in length and feature a 45 angle. Zerk fittings provide lubrication points for feeding lubricants to mechanical systems or bearings without overflow or leaks. This is for a pack of 5 grease fittingsLubriMatic Grease Fitting Specifications 45 angle; 8mm;