BS310 Chain #60 #60 Chain for 1st Gen Throw Product Description Comes in packages of 10′. (Enough for roughly 2.5 chains for Throw). Requires 1 of BS311 Connecting Link to join. See also different: BS306 Chain Coupler for Direct Drive Throw BS308 Sprocket for Direct Drive Coupler BS323 – Taper Lock SDS1 TC941 Slewing Gear VM566 Permco Throw Motor << return to products