... /2"(13mm),5/8"(16mm) 2.keyless,key type drill chuck 3.light,heavy duty 4.packing:color box,blister(2 ... ,3ps) Professional High Quality of various drill chuck, keyless, key-type, self-lock upon different purposesWe supply various ... duty with threaded mounted:10mm, 13mm, 16mm-Key-type drill chuck light duty with taper mounted: 10mm, 16mm-Medium&Heavy duty ...