Pec Fly/Rear Diltoid SH-G8810, helps build the pectoralis major muscle and trapezius muscle. The Cable is made of highly-flexible oiled steel wire rope from Japan. Adopting the imported material, 189 cables are used, which offer stability. And the rubber coating delivers smooth, durable and low-temperature resistance performance. What’s more, the breaking force can be reached to 1400KG.