Silicone Tubing 4mm ID 6mm(1/4") OD 5m Aquarium Air Hose with Check Valves, Suction Cups, Connectors, Regulating Valve Lab Supplies & Consumables Shaft Size : 6 x

Shaft Size : 6 x 22

so as to avoid damage

Made of alloy material in silver tone and adopts semicircle shape

external hex or phillips drive for more flexible working in different situation

These heat can lead to hard drive failures

Silicone Tubing 4mm ID 6mm(1/4") OD 5m Aquarium Air Hose with Check Valves, Suction Cups, Connectors, Regulating Valve Lab Supplies & Consumables Shaft Size : 6 xSpecification : Inner Dia : 4mm 0. 16" Outer Dia : 6mm 0. 24" Length : 5m 16ft Widely Application for aquarium, air pump, fish tank, airflow control levers, etc. Great for use with aquarium ornaments and many filters. Package Content : 1pcs x Silicone Tube 4pcs x Check Valves 6pcs x Suction Cups 6pcs x Straight Connectors 6pcs x T Connectors 4pcs x Regulating Valve