The 54046 includes:

• Bucket Boss 54046 layout square scabbard

From the manufacturer:

Use for mobile jobs, where space is tight, or when one or two tools will do the trick. This pouch sports a beefy stainless steel belt clip, is built from abrasion resistant fabrics with bar tacks at stress points and fits up to two inch wide belts. Uniquely shaped pouch holds layout square, pencils and small tools. The reinforced pocket edge will hold a clipped on tape measure. Pouch measures 11.5" x 8.5".