ZWH1140 Features: * Press Tool * Since about 1990, most new chains use press-fit type side plates on the connecting links * With this type of link the side plate cannot be installed properly without the aid of this special tool * Chain manufacturers have determined a press fit adds strength to the connecting link and should always be used Specifications: * No. 925 - Used on #520 - # 530 chain with press fit connecting links either standard or o-ring style