Wilson Staff Di7 vs Wilson Staff Di9

Side-by-side factory specifications. Differing values are highlighted.

Wilson Staff Di72006–2008 · Game Improvement Ironscast undercut cavity · stainless steel Wilson Staff Di92008–2010 · Game Improvement Ironscast cavity back · stainless steel

Specification comparison

Club	Staff Di7 loft	Staff Di9 loft	Staff Di7 lie	Staff Di9 lie	Staff Di7 length	Staff Di9 length
3	20	18	59.5	59.5	39.5	39.5
4	23	21.5	60	60	39	39
5	25.5	25	61	61	38.5	38.5
6	28.5	28.5	61.5	61.5	38	38
7	31.5	32	62	62	37.5	37.5
8	35	35.5	63	63	37	37
9	39	39	63.5	63.5	36.5	36.5
PW	43	42.5	64	64	36	36
AW	—	46	—	64	—	36
GW	49	49.5	64	64	36	36
SW	55	55	64	64	36	36

Highlighted cells differ between the two sets. Lofts and lies are factory standard.

Which should you choose?

The Staff Di9 is the stronger-lofted set — up to 2° stronger than the Staff Di7 on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.

Both charts are reproduced in full on their own pages: Wilson Staff Di7 specs and Wilson Staff Di9 specs.