Small and compact chain tool performs like a shop quality tool by using a fine threaded shaft and super strong replaceable pin. Nominal Dimensions: 60mm tall, 55mm wide and 15mm thick. Perfect take-along chain tool at only 77 grams. Handy "loosening shelf" to remedy stiff links after reassembly. Compatible with Sram Eagle hollow pin chains. 1/8", 5-12 speed chain tool