- A high-quality urethane hose is wound instead of the wire (cable) of spring balancer, which has 

added the balancer function and can lightly operate the air frame up and downward.

- The spring is fixed to the spin mold with a ratchet mechanism, so you can adjust the strength by rotating the spin mold left or right.

- Rotary connection is in an O-ring seal type and operates lightly.

- The case and drum are made of special synthetic resin, and they are strong and light.

- Simple structure and easy handling.

- Air piping diameter is 9-hose nipple on the input side and RC1/4 mez-union on the output side (Swivel joint).