/dev/da0:   character special (4/20)
/dev/da1:   character special (4/21)
/dev/da1s1: character special (4/24)
/dev/da2:   character special (4/22)
/dev/da3:   character special (4/23)

file -s /dev/da*
/dev/da0:   writable, no read permission
/dev/da1:   x86 boot sector, extended partition table
/dev/da1s1: x86 boot sector
/dev/da2:   writable, no read permission
/dev/da3:   writable, no read permission