THIS IS 4 PEDAL BLOCKS WITH A RELECTOR IN EACH BLOCK ,,I DONT KNOW THE YEAR OF THEM BUT ARE IN MINT CONDITION,,THEY ARE 3 7/8 INCH LONG,,1 INCH WIDE,,THEY HAVE ONE REFLECTOR IN EACH BLOCK BUT YOU CAN TURN THE REFLECTOR SIDE SO YOU CANT SEE IT SINCE THE OLDER ORIG BLOCKS DIDENT HAVE REFLECTORS.