The 003850SP4 Safety Latch is a high-strength replacement component for Austlift’s W4 series chain blocks, specifically designed for 5 Tonne and 10 Tonne capacities. This latch ensures secure hook engagement during lifting operations, preventing accidental unhooking under load. Crafted from durable steel with a corrosion-resistant finish, it is ideal for heavy-duty industrial applications, including construction, mining, and maintenance tasks.