ITEM NAME:3PCS Joint Hook for Bicycle Chain Repair Bike Chain Tool Chain non-drop Hooks M& note:.3PCS Chain Hook. Applicable: bicycle chain maintenance. As handy tools to join the chain for easier servicing when chain pin is exacted;. Size: 15.5 77mm, net weight: 1.6 grams per piece. Made of carbon steel, easy to stand the chain weight;.
