The Manfrotto 546B is a two-stage,extremely rigid and stable tripod that's able to carry loads up to 20kg (44lb). The 546B has a die cast aluminium crown with a built-in 75mm bowl. You can easily mount any Manfrotto flat-base head like the MAN-MVH608AHUS by adding the MAN-520BALLSH (sold seperately).The tripod's telescopic mid-level spreader helps set leg angles accurately. Leg locks are secure and reliable, and spiked feet with rubber overshoes are provided for solid grounding on both uneven terrain and smooth floors.The tripod can be used with various dollies.