- ERGONOMIC DESIGN - Keystone chigunwe dhizaini inopa yakanyanya kunyaradza, inosimbisa yakawedzera kusona, uye yakagadziridzwa dexterity.
- RANGE YEMASHANDISI - Magurovhosi ematehwe emakwai akanyatsokodzera basa rekudzika-abrasion senge denga, kugadzirisa, kupfura, kutyaira, kurima gadheni, chishandiso chemagetsi / kushandiswa kwemaoko, mashandiro emidziyo, nezvimwe!
- ZVINOFANIRA: Keystone chigunwe dhizaini inowedzera dexterity uye kuchinjika, uku iyo yakachekwa ichiisa musono panzvimbo yechisikigo cheruoko, ichiwedzera kunyaradza kwese.