DROPOUT 352, GT - GT. - CNC machined 6061 aluminum. - Black anodized finish. - Attaches to frame with (1) M8 CHAIN BOLT. - Fastener not Included. - Replaces GT part #K33177. ~ Note: This hanger does not have a threaded hole for the fastener. If your hanger has a threaded hole, look at DROPOUT-94. - 1 drop out per bag.