LIGHT GREEN GLASS KNOB This light Green Knob is 2" high and 2 ¾" wide it has a ¾" smooth pin hole. This could be a foreign insulator. Anyway it is still a good buy at ---$30.00--- Buy with confidence! … We do not sell altered insulators! Buyer to pay all shipping and insurance costs (U.S.A. and Canadian shipping only). PayPal, Money Order, or Cashier's Check. Heck, we will even take your personal check if we know you.!!! Don't wait for a sale it's not going to happen.