Home/Guides
The numbers, explained

Make sense of your specifications.

Practical explanations for reading an iron chart, checking a used set and knowing when you need an actual measurement.

Illustration of a golfer carrying a bag across a fairway
From chart to course

Understand the published numbers, then check the clubs you actually play.

Original top-down diagram of hook, draw, fade and slice ball flights curving from one tee toward a flag
01Ball flight

Ball flight laws: draw, fade, hook, slice and cut

See how face angle and club path create a draw, fade, hook, slice or cut, with modeled trajectories, D-plane diagrams and an interactive face-and-path explorer.

Read the guide
Original side-view diagram of three golf shot trajectories with launch angle, apex height, landing angle and carry marked
02Trajectory

Launch angle, spin and ball flight height

See how launch angle, backspin and wind shape a golf shot's height, carry and landing angle, with modeled trajectories and an interactive launch explorer.

Read the guide
Original illustration of eight generic iron heads from 4-iron to gap wedge, bracketed as 4–PW and 5–GW sets
03Set composition

What does an iron set include?

Read 4–PW and 5–GW listings, separate combo-set hybrids from irons, and inventory the actual clubs in a used set.

Read the guide
Original toe-view diagram of generic 52°, 56° and 60° wedges with their loft angles and flight heights
04Short game

Wedge Lofts: Pitching, Gap, Sand and Lob Wedge Degrees

Pitching, gap, sand and lob wedge lofts from factory charts, by era, plus what 52°, 56° and 60° wedges are for around the green and in bunkers.

Read the guide
Original diagram of iron loft measured from vertical, beside an illustrative chart of loft rising through a set
05Loft & gapping

Golf Club Loft Chart: Degrees for Every Club

Median, most common and range of factory loft for every iron, wedge, driver, fairway wood and hybrid in manufacturer charts, and how iron lofts changed by era.

Read the guide
Original face-on diagram of one generic iron shown upright with the toe up, level at its lie angle, and flat with the toe down
06Fit & specifications

Understanding lie angle

Learn the difference between upright and flat, and why a factory lie angle is a reference rather than a fitting verdict.

Read the guide
Original illustration of a used-iron checklist beside a magnifying glass over a generic iron face
07Buying & ownership

A practical checklist for used irons

Confirm the generation, inspect the actual set and ask the questions a factory specification table cannot answer.

Read the guide
Original diagram of a generic iron above an inch ruler, separating playing length from shaft length
08Measurement

How to check golf club length

Record a repeatable measurement and avoid mixing shaft length, playing length and different measuring methods.

Read the guide