【Brand and Model】 LIXIL's FamiLock is an additional standard key, perfect for home security systems. The model number is Z-311-DVBA, and you can use it with peace of mind thanks to the reliable brand. - Brand: LIXIL - Model Number: Z-311-DVBA - Size: 67mm x 37mm x 17mm - Product Name: FamiLock Additional Standard Key Thank you for viewing.