Type: Bike Chain Remover Tools; can fast and accurately remove and install chain pins without looking for a repair workshop Stainless steel chain hook, small object big use. You will never remove the bicycle chain in a muddle High precision screw propeller make the thimble align the chain axis accurately, avoiding the thimble moving in concentric circles. Metric thread, more accurate and durable than traditional inch thread, effectively removes the chain pin CRV alloy steel replaceable thimble, adopting new quenching heat treatment technics, hardness up to 60 HRC, fast and convenient to change, more durable and longer service life than one-off bike chain breaker Sliding shelf with knurled adjustable knob to loose and tight links, accommodate any width chain. Works for all common bicycle chain, MTB, BMX bike chains etc, Weight: 0.330693393 Pounds, Manufacturer: RLECS