ลูกบล็อกลม 38 mm SATA 1" 34826https://www.satatools.com/en/Product/show/34826.htmlMADE IN TaiwanSpecification(mm)38Net Weight (kg) 0.78Warranty Terms Lifetime warranty, pneumatic tools warranty terms, please see 'Introduction'Introduction◆ Made of high-quality Cr-Mo steel ..