16-21-459 NW Casing Shoe Oversize 16-21-557 HW Casing Shoe Oversize 16-21-567 HWT Casing Shoe Oversize 16-21-457 Rod Shoe Oversize (H W/L Rod Threads)
Black Diamond Drilling Tools Canada Inc known as "BDDRILL" is a privately owned Canadian Company which services the Mineral Exploration, Mining, Water well and Geotechnical sectors of the Drilling Industry.