Reach
Extends your attack reach beyond the vanilla 3.0 block limit. Each swing picks a random value between Min and Max.
Min
The minimum reach per swing. Vanilla is 3.0.
Range: 3-10 blocks.
Max
The maximum reach per swing.
Range: 3-10 blocks.
Sprint only
Only extend reach while sprinting.
Moving only
Only extend reach while moving.
Weapon only
Only extend reach while holding a weapon.
Hit through blocks
Allow you to attack through blocks. This is similar to what some clients call "Piercing".