Item Type: Cylinder Piston Kit_x005F_x000D_ Material: Iron_x005F_x000D_ Application: Suitable for OLEO MAC 740 440BP EFCO 8400 8405 STARK 40 EMAK DYNAMAC Cylinder Piston Kit_x005F_x000D_ Aperture of Cylinder Bottom: Approx. 40mm / 1.6in 1Good Materials: Adopting premium materials with sturdy structure, the cylinder piston is wear resistant. 2High Accuracy: Excellent workmanship ensures standard design with high accuracy and high working efficiency. 3Stable Performance: Using sophisticated production technology, the cylinder piston kit has stable performance and is a perfect accessory for garden tools. 4Applicable Models: Suitable for OLEO MAC 740 440BP EFCO 8400 8405 STARK 40 EMAK DYNAMAC , which can effectively extend the service life of the machine. 5Easy to Install: The compact size together with light weight makes the installation much more convenient.1 x Cylinder 6 x Piston Components