Inquiry (采购产品): Gerbing Companion Sheave Please quote a Gerbing or the same as a Gerbing Companion Sheave #4S-110. Suitable for a QD bushing type SF x 2.0" bore. **** Hidden Message ***** Mike Bukowski 61108 Company: Aqua-Aerobic Systems, Inc. E-mail: mbukowski@aqua-aerobic.com **** Hidden Message ***** mbukowski@aqua-aerobic.com