Home > Products > Moulding > Block ISC Block [1″ x 1″ x 6″] This Inside Corner Block is available in Solid Red Oak and Clear White Pine. This item is sold individually. More Info OSC Block [1-1/4″ x 1-1/4″ x 6″] This Outside Corner Block is available in Solid Red Oak and Clear White Pine. This item is sold individually. More Info