Print detailed information about each block device. (Tested on Ubuntu 16.04.)

get_block_device_details.sh

#!/bin/bash

# Note: excluding ramdisks, floppy drives, and loopback devices.
lsblk --exclude 1,2,7 -d -P
echo ""
for dev in $(lsblk -n --exclude 1,2,7 --output KNAME); do 
    echo "$dev:"
    udevadm info -q all -n $dev
    echo ""
    echo "    size64: $(sudo -n blockdev --getsize64 /dev/$dev 2> /dev/null || echo unknown)"
    echo "       bsz: $(sudo -n blockdev --getbsz /dev/$dev 2> /dev/null || echo unknown)"
done
echo ""
# Enumerate the mappings that were generated (by device).
find /dev/disk -type l | xargs ls -ln | awk '{ print $9, $10, $11 }' | sort -k2
echo ""
sudo -n echo "" 2> /dev/null || echo "Please re-run this script with 'sudo' for more details."