This addon adds a 8 new pickaxes to the game:
Diamond Strip: breaks an 1x2x1 area
Diamond Tunnel && Iron Tunnel: breaks an 3x3x3 area
Monten Pickaxe: autosmelt.
Pillow Pickaxe: silk touch
Experience Pickaxe: xp drop
TNT pickaxe:
explodes
Nether Pickaxe: