|Angle:||+/- 6 deg|
In the HLC catalog, it is Item # 160312-08, the longest reach of a list of 8 variations of this model.
Stack Height: 41mm (
Clamp Width: 47mm (how much of the bar it covers)
"Stack Height" presumably means how much of the steerer tube is covered by the stem. Eg: If the steerer tube sticks up 60 mm, and the stack height of a given stem was 41mm, then you would need spacers for 19mm.