BORB OLIVER B 5 STAINLESS MIX ALTO SAX MOUTHPIECE WITH LIGATURE. Sound Reference: Similar to Dukoff. TIP OPENING # 5 = 0.065 (2,16 mm). The item "Borb Oliver B 5 Stainless Mix Alto Sax Mouthpiece with ligature ref Dukoff" is in sale since Tuesday, March 23, 2021. This item is in the category "Musical Instruments & Gear\Wind & Woodwind\Parts\Mouthpieces".The seller is "sanz_music" and is located in Casselberry, Florida. This item can be shipped worldwide.