HL-21137 Aluminum Telescopic Leveling Staff Aluminum Telescopic Levelling Staff Alum. Tele. Leveling staff - Durable, elegant, sleek model, smooth sliding, easily readable, accurately printed, automatic push button locking, size 4m. 5m. & 6m. prism pole Made of alloyed aluminium feature durability & tight weight. Complete with carrying case. Aluminum pole Made of aluminum, light & durable. Feature one-touch twist lock. Complete with carrying case.