Product Description On diamond circle wrench, the diamond distribution is well-proportioned, the diamond is wearable and hard to fall off. When using, the circle wrench won't slide, and it can avoid damage to tube, therefore can prolong drill tools' life. size of inner/outer tube wrench: BQ NQ HQ PQ AW, BW, NW, HW, PW, BTW, NTW
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More items,please Click,know more about me !!! others: diamond bit drill rod core barrel and overshot drill accessories Our Services Jinshi will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued.