DROPOUT 248, GT - GT. - CNC machined 6061 aluminum. - Black anodized finish. - Attaches to frame with (2) M4x8 flat head screws. - Fasteners not included. - Replaces GT Part # ATIDH0183. ~ Note: This dropout can be used in place of DROPOUT-246. The only difference is the number of fasteners. - 1 drop out per bag.