Boston Leather 6543XL: Extra long (8" longer) for Firefighters 6'-1" and taller. FDNY Style Fireman's Radio Strap. With Leather loop near shoulder for speaker microphone's spring clip attachment. Right or left handed. Made of extra heavy top grain belt leather. Adjustable locking buckle for length from 56" to 64" long. Positive interlocking swivel clips attach to radio case D-Rings. Clips have swivel joints to avoid strap twisting.