How tools actually work, and how to choose one
Find Tool Editorial Team 
A bench vice’s jaw width is simply the measurement across the flat gripping faces — the widest piece of material the jaws can close on squarely. It tells you the ceiling on stock size, not how hard the vice can clamp or how far it can open. Those are separate figures worth checking too. What … Read more
A good workbench holds work still without fighting back, stays flat enough that measurements and glue-ups stay true, and doesn’t shift or bounce when you push, plane or hammer on it. That comes down to four things: mass, a flat top, solid work-holding, and a base that doesn’t rack. None of that is about looks, … Read more
A moisture meter tells you roughly how much water is held inside a piece of wood at the moment you test it, expressed as a percentage of the wood’s dry weight. It does not tell you whether that level is stable, whether it will change, or whether the wood is safe to build with — … Read more
A straight edge is a bar or blade made to be as perfectly straight along its length as its class of accuracy allows, used to check whether a surface or edge is flat, or to guide a marking line. A spirit level is not built or checked to that standard — its job is telling … Read more
“Measure twice” protects against the specific, repeatable ways people misread, mis-transfer, or miscalculate a number before it becomes a cut. It catches a wrong digit, a shifted reference point, or a mark on the wrong side of a line — mistakes that a single glance rarely reveals, but a second check almost always does. What … Read more
A chalk line is a reel of string coated in loose chalk that you stretch tight across a surface and snap, leaving a straight painted mark. It works on rough, dirty, uneven or outdoor surfaces where a laser’s dot or beam is hard to see, and it needs no batteries, levelling or line of sight. … Read more
A story stick is a length of wood, or sometimes card, marked with the actual measurements of a specific job rather than with inches or centimetres. Carpenters use one to carry real dimensions from a room, cabinet or staircase back to the bench, so every repeated cut matches without re-measuring each time and without the … Read more
A digital angle finder measures the angle between two surfaces, or the tilt of a single surface relative to level, and shows the result as a number on a screen. It replaces guesswork with a readable figure for setting bevels, checking mitres and matching odd angles when a protractor is too fiddly. What does a … Read more
A stud finder detects a change in whatever it is designed to sense behind the wall surface — usually a shift in density (for magnetic and capacitive models) or the presence of metal fasteners and edges. Most consumer models do not “see” wood directly; they infer a stud’s edges from an indirect signal, which is … Read more
A caliper measures length, depth and diameter over a wide range using sliding jaws, and reads to a moderate precision. A micrometer measures a much smaller range using a fine screw thread, and reads to a finer precision. Calipers are for general sizing; micrometers are for checking tight tolerances. What does a caliper actually measure? … Read more
About what you read here. Everything on Find Tool is general information and our own editorial opinion. We research carefully and we say when the evidence is unclear, but we can be wrong, things change, and no article can know your particular situation. Please do your own research and make your own judgement rather than treating anything here as the final word. Prices, products and specifications around tools and workshop equipment change constantly, and what suits one person will not suit another. Check current details yourself, and where a decision involves real money, safety or something you cannot undo, it is worth confirming with the manufacturer, or a qualified electrician or tradesperson before you act.