I have caught skunks in 110s also BUT most have been alive. Now i have used 120s in an experiment in mink size boxes for coon and they are dead on arrival but you dont get alot of committments with small size opening, skunks or coon. Use the 160s. Like with rat trapping in runs , use 160s, just use one spring , keep other one with saftey on..... for rats..