Blocks / Refined Iron Stairs Refined Iron Stairs techreborn:refined_iron_storage_block_stairs techreborn Waterloggable Physics Properties Explosion Resistance 2.0 Hardness 2.0 Friction 0.60 Speed Factor 1.00x Jump Factor 1.00x Block Behavior Has Collision Yes Is Air No Can Occlude Yes Requires Correct Tool No Waterloggable Yes