DROPOUT 274, NORCO - Norco. - CNC machined 6061 aluminum. - Black anodized finish. - Attaches to frame with (1) M3x8 flat head screw. - Fastener not Included. - Replaces Norco part #959375-15-2. ~ Note: This hanger is not the same as our DROPOUT-337, which uses an M4 flat head screw. - 1 drop out per bag.