Sealey Chain Blocks - Sealey CB500, Fitted with heat treated and ground, triple-spur geared shaft and pinion. Includes a double pawl and spring mechanical load brake for extra safety. All chains are manufactured from hardened alloy material. Larger opening, forged steel load hooks feature safety latches. Compact gear housing allows use where headroom is limited. Sealey CB500 Chain Block 0.5tonne 2.5mtr
