Grease gun hoses with quick-connect couplers (also called grease whip hoses).
The metal ends have knurled quick couplers — the part that snaps onto a grease nipple/zerk fitting
• These are usually used with a manual or pneumatic grease gun
What it’s used for
These hoses help you:
• Pump grease into bearings, joints, and moving parts
• Reach tight or awkward grease points (like on trucks, machines, excavators)