Calumet CK7058 Three-way Quick Release Head Designed for Dslrs and Medium Format Cameras Features Forward, Slide and Pan Control with a Built-in Spirit Level, and Quick-release Camera Plate with Safety Lock Designed for DSLRs and Medium Format cameras this low profile three-way head features forward, slide and pan control with a built-in spirit level, and quick-release camera plate with safety lock. This reliable QR head is constructed from durable aluminium and magnesium alloy tooling. It weighs 1.6lbs (0.7kg) with a maximum load capacity of 9lbs (4.1kg).