K72 usoro anọ-jaw onwe chuck adopts mkpụmkpụ cylinder na mkpụmkpụ okirikiri cone udi, Short okirikiri cone udi nwere ike kewaa n'ime abụọ ụdị dị ka ụzọ nke isonyere na mkpara nke igwe ngwá ọrụ: Ụdị A (jikọrọ na ịghasa), Ụdị C (bolt mkpọchi nkwonkwo), Ụdị D (dọrọ mkpara, cam mkpọchi nkwonkwo).
