Pressure bearing: 165kg
Model Number: JFL-1
Material: PP,TPR,steel spring
Function: Waist & Abdomen Exercise
Built-in: Smart chip
Brand Name: Recovery Guru
Application: "6-Second Abdominal Trainer
Booster muscle maintenance hammers are made of first-class materials. Soft rubber, stainless steel and clear aluminum are highlighted in the muscle hammer. The shape has been polished to the last detail to fit the hand.
The muscle hammer offers help for both warming up and recovery. Warm up the muscles with light hammering. Start the recovery by starting the scavengers after the execution.