Manfrotto 501HDV,547BK Tripod Kit with 501HDV Head, 547B Tripod and MBAG100P Tripod Bag (Black) Tripod features a 60mm bowl. Silky smooth panning head. Newly redesigned locking collars guarantee exceptional performance. Head features a built in quick release system. Mid-level fixed spreader and retractable spiked rubber feet included.