4 of each post size: 0, 1 & 2; 1 of each primary reamer size: 0, 1 & 2; 1 of each secondary drill size: 0, 1 & 2; & 5 Gates Glidden drills.
Patented retreatable passive post with a unique thick-wall, hollow-tube design providing easy post removal and access to the apex in the event of a failed root canal. Also provides high retention of post and core; plus stability and distribution of occlusal stresses.