This unique resistance-training product can be used for both outward and inward sweep exercises. Emulating the feel and resistance of the breaststroke pull, the StrechCordz
Breaststroke Machine helps you to strengthen the specific muscles that will improve your breaststroke power.
Each paddle has two tubes and four attachment points
Inside mounted tubes are 27-in (68.6 cm) long
Outside mounted tubes are 41-in (1.0 m) long