We supply steel grease zerk in all the sizes like 6x0.75,6X1,8X1,8X1 ... 10X1.5ect with good quality and reasonable prices Steel Grease fittings/steel grease nipples /grease zerkwith zinc plated or nickel platedSIZE TYPETotal length ... .2590DEGREE21.1mm14mm100PC12x1.5STRAIGHT19.5mm14mm100PC12x1.545DEGREE24.5mm14mm100PC12x1.590DEGREE21.1mm14mm100PCWe also grease nipple in BSP,BSF,UNF,UNC,DIN,JIS ect