“1,700 shekels.” 1,700 shekels is roughly 42.5 pounds (19 kg). A shekel was roughly .4 ounces (11 or 11.5 grams).

[See commentary on Gen. 24:22, “shekel.”]

“purple.” Purple dye was rare and very expensive, so it was on the kings of Midian.

[See commentary on 2 Chron. 3:14, “purple.”]

“chains.” Or, “collars,” but even if “collars” is correct, it is not the tight-fitting collar like is worn by modern dogs, but a loose collar, often of leather with decorations or even bells on it.