Robust steel construction for durable performance Made from strong steel and built to endure heavy use. Supports weights up to 40 kg for reliable dependability during rigorous workouts. Adjustable height for weight stacks to add resistance Easily increases the height of your weight stack to provide added resistance and enable progressive overload during training. Versatile fitness tool for any gym or studio A practical addition to studios and gyms, expanding workout possibilities and supporting multiple training methods. User friendly operation for quick adjustments Simple to use: insert the pin and adjust weights to match your routine, ensuring a seamless experience for any fitness level. Key specifications Material: steel Maximum load: 40 kg Function: weight stack extension pin with adjustable height Compatibility: designed for weight stack machines and setups Use scenarios Strength progression on weight stack machines such as leg extension, chest press, or cable movements by raising the stack height to increase resistance. Circuit training or group sessions where quick weight adjustments are needed to accommodate different exercises or clients. training or studio classes that require varied resistance without reconfiguring machines, enabling efficient transitions between exercises.