ลูกบล็อกลม 27 mm SATA 1/2" DR. 6PT. 34320https://www.satatools.com/en/Product/show/34320.htmlMADE IN ChinaSpecification(mm)27Net Weight (kg) 0.1753125Warranty Terms Lifetime warranty, pneumatic tools warranty terms, please see 'Introduction'Introduction◆ Made of high-quality Cr-Mo steel throug..