5.25" x 7.5" work surface. Ultra-tough engineering resin construction. Rubberized non-slip outer surface. Four strong magnets under the block. Bolt (horizontal) 1/16" and 3/32" pins. Vertical bolt. Gas block (1/8" and 5/64" pins). Upper receiver. Forward assist 3/32" pin. Charging handle 5/64" pin. Trigger guard 1/8" pin. Pin Storage. Ejector pusher. Trigger assembly (two 5/32" pins). Clam packed.