Weston-style double pawl brake design splits the load to opposite sides of the ratchet gear Patented brake wear indicator increases safety by letting you know when to replace the friction disks Hooks slowly stretch to indicate an overload situation, increasing jobsite safety Impact-resistant all steel construction provides added durability and protection Needle bearings support the load sheave to increase efficiency and promote smooth operation Industrial-rated alloy steel hooks rotate 360 degrees for easy rigging Complies with ANSI / ASME B30.21 and HST-3 standards