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.