Image Grease Whip Zerk Ball Check Jump to Section Product Options Related Products Product Options Part Number Length Thread Thread Size Material GWHZ000 .66" NPT 1/8"-27 Zinc Plated Steel GWHZ400 .53" Tapered SAE-LT 1/4"-28 Zinc Plated Steel Related Products Image Grease Whip Zerk 45° Ball Check Image Grease Whip Zerk 90° Ball Check