Blockhead

NEVER LEAVES A GAP
UNFILLED
ALWAYS PAYS ON TIME
ALWAYS FITS THE BILL
HE COMES WELL PREPARED
CUBE TOP
SQUARED OFF
EIGHT CORNERS
90-DEGREE ANGLES
FLAT TOP
STARES STRAIGHT AHEAD
STOCK PARTS
BLOCKHEAD
NEVER TIPS OVER
STANDS UP ON HIS OWN
HE IS A BLOCKHEAD
THINKING MAN FULL GROWN
HE COMES WELL PREPARED
SNAKE EYES