Compare Quick view Urma SKU: SMT51031 Urma B21 Boring System Adapter 1.68" Pro B21 63 80 042 (LOC2655B) Material: Steel Modular Connection: B21 Coolant Through: Yes Projection Length: 1.68" MPN: B21 63 80 042 MSRP: Was: Price Now $299.95 1 In Stock Quantity Add to Your List