Austlift W4 Chain Block 3M 2T 110020Austlift industrial grade W4 series manually operated chain blocks are used for general hoisting operation such as mining, construction, industrial lifting and domestic applications Manufactured for ease of operation, and light weight in design. Robust, durable and compact in construction. All blocks come with ball bearing swivel hook. Individually serial numbered with test certificate and instruction manual supplied. Standard height of lift is 3M,