40mm red mushroom head push button with label place of origin : Zhejiang Province, China (Mainland) brand name : NIN type : XB5-D164H29 / XB5-D174H29 / XB5-K174 contact : NC label : emergency stop ( XB5-D164H29) / stop (XB5-D174H29) remarks : spring return (XB5-D164H29) turn to release ( XB5-D174H29 / XB5-K174 )