KMC Missing Link 10 Speed, Reusable, 6 Pairs, KMC Chain Link for KMC & Shimano 10-Speed Chains Chain Color: Silver, Chain Width: 5.9 millimeter Compatible with KMC, Shimano 10 speed chains 6 pairs in 1 bag No tool required,Reusable Well-packed by BUBBLE or PLASTIC BAGS No wasteful package,packed with bubble and ziplock bag