The Sealey CB3000 Chain Block manufactured from hardened alloy material The Sealey CB3000 is a 3-tonne Chain Block fitted with heat-treated and ground, triple-spur geared shaft and pinion. All chains are manufactured from hardened alloy material and load hooks feature safety latches. Also includes a mechanical load brake for extra safety. Features: Also includes a mechanical load brake for extra safety Compact gear housing allows use where headroom is limited Fitted with heat-treated and ground, triple-spur geared shaft and pinion All chains are manufactured from hardened alloy material and load hooks feature safety latches Specification: Weight: 25kg Standard Lift: 3m Test Load: 4500kg Model No: CB3000 Load Chain ∅: 8mm Head Room: 530mm Overall Depth: 161mm Overall Width: 199mm Hook Aperture: 35mm Pulling Effort: 34.67kgf Safe Working Load: 3000kg Maximum Hook Capacity ∅: 50mm