●2-in-1 chain lock pliers: practical and compact gear tool with double function for quick and easy opening and closing of bicycle chains without annoying opening of rivets. ●Material: made of high-quality CRV material and steel alloy, lightweight, durable, durable and easy to use. ●Benefits: By checking the wear of the bicycle chain, you can quickly assess the wear and length of the chain and choose a new gear lever or none. ●Use: Our bicycle chain pliers are great for loosening or locking the chain lock. You need the bicycle chain pliers to change or clean your mountain bike chain regularly. ●【Application】: Our bicycle chain pliers are compact and portable, and can be used as a travel tool to solve most bicycle problems. Suitable for road bikes, city bikes, mountain bikes, etc.