5pcs twist drill set Size: 4-10mm drill,electric drill,drill bit drill,electric drill,drill bit5pcs twist drill setSize: 4-10mmWe can provide you with the necessary products.For more items,please visit our website www.AMC-tools.comWe would like to hear from you.Contact person: Kenneth GanH/P:86-13701994849TEL:86-21-64127770,64127542,64128019FAX:86-21-64127021 drill, drill bit