Red Cedar Block 15 inch x8 inch x 8 inch for AK Knee Seasoned, 15 inch x8 inch x 8 inch for AK Knee Red Cedar Block Seasoned, Red Cedar Block 8 inch x8 inch x 8 inch for Socket, 8 inch x8 inch x 8 inch Red Cedar Block for Socket, Red Cedar Block 10 inch x6 inch x 6 inch for PTB