RoHS: yes. Component family: metal spacer. Manufacturer's product group: GBM2550. Outer length [mm]: 10+6mm. External thread length [mm]: 6mm. Thread length: 5mm. Outside diameter [mm]: 5mm. Inner diameter [mm]: M2.5. Material: brass. Coating material: nickel-plated. Configuration: hexagonal, inner/outer thread. Standard thread: metric, M2.5