Swordfish 31311 - 450pc Metric Precision Bearing Steel Ball Assortment</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Original Swordfish Brand Metric Bearing Steel Ball assortment</li><li>Material: AISI52100/GCr15， Class: G10</li><li>Hardness: 62-65HRC</li><li>Organized in a pp storage case with chart inside box lid for quick identification</li><li>Quality Garanteed.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/512gy-CThhL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41p1uC45scL.jpg' noproxy></br>