Shua 88 Series Chin Dip Leg Raise StationSHUA SH G8888 Chin Dip Leg Raise Station (88 Series) The SHUA SH G8888 Chin Dip Leg Raise Station is a versatile, commercial grade free weight strength machine from the 88 Series. It is a multi functional unit designed to perform bodyweight exercises that target and strengthen the upper body and core in a space saving design. This station is commonly referred to as a Power Tower, and its combination of exercises makes it an indispensable tool for