Bit Size: 6.75" New open bearing 6 3/4 TCI bit. 3 1/2" api regular pin. Carbide leg protection and gauge protection. Removable jet nozzles included. $1,450 Bit Size 6.75" 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.