1、Sturdy steel structure, can be used with standard discus, is a particularly effective wrist and forearm strength training device. 2、It can help you quickly improve any sports performance. 3、It is good for exercising arms, back, shoulders, abdomen and improving grip strength. 4、It is very easy to use, you can connect it to the cable pulley of the home gym or take it with you to the regular gym. 5、Professional manufacturing, stable performance and high reliability. 1 x Loading pin 1 x Pulley3 x Connection buckle1 x Double layer safety belt 1 x Steel rope1 x Wrench2 x Lock heads1 x Lock buckle Condition: 100% brand newItem type: DIY Fitness EquipmentMaterial: stainless steelColor: As picture shownLoading pin diameter: Approx. 20mm/ 0.8inLoading pin length: Approx. 320mm/ 12.6inDouble layer safety belt size: Approx. 28x 3.8cm/11x 1.5inSteel rope size: Approx. 2m/ 6.6ftPlastic pulley size: Approx. 155x88mm/ 6.1x 3.5inWeight: Approx. 1160g