A Bone Shield is a Shield.
Diablo II Shields
Normal Shields — Buckler • Small Shield • Large Shield • Kite Shield • Spiked Shield • Tower Shield • Bone Shield • Gothic Shield
Exceptional Shields — Defender • Round Shield • Scutum • Dragon Shield • Barbed Shield • Pavise • Grim Shield • Ancient Shield
Elite Shields — Heater • Luna • Hyperion • Monarch • Blade Barrier • Aegis • Troll Nest • Ward