About a Honing steel:
A honing steel, sometimes referred to as sharpening steel, whet steel, sharpening stick, sharpening rod, butcher’s steel, and chef’s steel, is a rod of steel, ceramic or diamond-coated steel used to realign blade edges. They are flat, oval, or round in cross-section and up to 1 foot (30 cm) long.
In Proverbs 27:17 “Iron sharpens iron, and one man sharpens another.
About compass:
In Psalms 43:3 MSG ” Give me your lantern and compass ,give me a map , so I can find my way to the sacred mountain ,to the place of your presence
A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions. Usually, a diagram called a compass rose shows the directions north, south, east, and west on the compass face as abbreviated initials.
THE SCIENCE OF THE BIBLE 