1:material:brass, other material also acceptable; 2:size :other size for customer's request 3:Finish: PB,CP,GP,SN,SC and so on flush bolt,1,material:brass, other material also acceptable;2,size :other size for customer's request.3,Finish: PB,CP,GP,SN,SC and so on;4,We welcome OEM business. door,window,flush bolt