... Detailed Product Description of Drill RodNameQualityLengthGOrdinary Grade0.5 m, 0.8 m, 1 m to 6 m.G1High Quality ... Grade0.5 m, 0.8 m, 1 m to 6 m.G11Export High ... Quality Grade0.5 m, 0.8 m, 1 m to 6 m.G111The Best ... Quality Export Grade0.5 m, 0.8 m, 1 m to 6 m.integral drill ... , Size: B22 (mm)3, Drill pipe length: 0.5 m, 0.8 m, 1 m to 6 m.We can ...