Material: CrV, Rail steel, Carbon Steel Hex shank Size 225x22x100mm, 225x19x75mm,225x19x57mm Material: CrVHexagonal shankSize: 225x22x100mm 225x19x75mm 225x19x57mm 250x70mm 250x18x57mm 250x18x60mm 250x25x63mmContact Person: Mr. Alex XieMobile: +86-15854702650Tel: +86-537-5469398Fax: +86-537-5450128 floor chisel