Absolute Black T-30 Chainring bolts. Features: Torx T-30 bolt for greater reliability with standard slotted nut CNC machined 7075 with type II anodizing Use Long for: 110/4 &110/5 BCD for outer+inner ROAD Oval chainrings, 104BCD Oval 26/28/32T, 64BCD round 26/28/30T, 94BCD Oval 30/32/34T Use Short for: 104BCD Oval 34/36T, 110/4 and 110/5 CX Oval 38T, and 104BCD round 32/34/36/38T For XT M8000 and XTR M9000 use original Shimano bolts For Road inner oval chainring only with original round outer, use original bolts Specs: Kit: 5 pc Material: 7075 aluminum Color: black