Rift & Quartered White Oak (Veneto Collection Only) Radial cut, uniform colour, medullary ray or ray fleck allowed, extremely stable.
Select & Better White Oak (Gravity & Veneto Collection) Knots up to 10 mm (~3/8") allowed, no sap wood and/or pinholes, small dark knots up to 3mm (~1/8") allowed, low to medium colour variation.
Character White Oak (Gravity & Veneto Collection) Filled knots 30 mm+ (~1 1/8") allowed, mid to high colour variation, sapwood and cracks (filled) allowed.
Handscraped White Oak (Gravity Collection Only) Filled knots 45mm+ (~1 3/4") allowed, mid to high colour variation, sapwood and cracks (filled) allowed.