Quick Details Place of Origin: Jiangsu, China (Mainland) Brand Name: OEM Model Number: XFHS12A PACKING: BLOW CASE TIP MATERIAL: YG8 Specifications 5,6 X 110MM 6,8,10X160MM 10,12X210MM 16X300MM 18X450MM 14X250X3.2MM 14X250X20MM 14X250X40MM 12 pcs SDS hammer drill bit sets 5,6 X 110MM 6,8,10X160MM 10,12X210MM 16X300MM 18X450MM 14X250X3.2MM 14X250X20MM 14X250X40MM http://www.jsyftools.com/