Bit Size: 7.875" New open bearing 7 7/8" TCI bit. 4 1/2" api regular pin. Manufactured by Smith Sandvik. $4500 list price. Aggressive tooth patern. Excellent value! $2,000 Bit Size 7.875" CAPTCHA Get new captcha! What code is in the image? Enter the characters shown in the image. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.