Butcher Boy Saws BBS0120 White Nylon Filler Block For Butcher Boy Saws ALFA-BBS0120 Fits 1435, 1640, B-12, B-14, B-16, Cobra 14, Cobra 16 & SA-16 Butcher Boy Saws - we have 60 of these white nylon filler blocks for Butcher Boy Saws available with Free Shipping.