Stainless steel, swing-sided snatch block (pulley). The 100 mm aluminum sheave on a stainless spindle ensures the perfect bend radius for rope to 20 mm. Rated to 44 kN this is a rock-solid pulley designed for everyday use - makes an excellent re-direct for winching or lowering jobs. Swing sides make for easy rope entry. This is a heavy-duty piece of rigging equipment.