FSA JIS Crank Bolts. Features: 8mm CrMo bolt for JIS 2-degree square taper crank, sold in pairs Self-extracting bolts: includes puller cap that threads into most crank arms. 72g/pr Non-extracting bolts: 8mm hex fitting, 70g/pr Specs: Fits: JIS (self-extracting) Bolt Size: M8 Color: silver/black