Samson SAMS-12BR with loop for firesteel
SAMS-12BR is wider still. Still about 7 in deep. It's shown here with the Bushcraft Black. It comes with a solidly attached loop for a fire steel. The loop is a firm fit on the 5/16" diameter Mora firesteel. It would be TIGHT fit for the Light-My-Fire 3/8" diameter fire steel. The firesteel is sold separately. It's not included with the sheath.
Brown Stitching on current stock
The larger image shows the optional dangler. The dangler drops the sheath a bit over 4", and allows it to move freely for comfort when sitting. If you are backpacking, it may also allow you to use the sheath when wearing a waist band on your pack.
Dangler sold separately.