Best Seller | ALFA International BBS0120 White Nylon Filler Block for Biro and Band Saws ALFA International White nylon filler block is replacement part for Biro and Butcher Boy band saws and fits in models B-12 B-14 B-16 SA-20. Replaces Butcher Boy # 20 10000. Made in USA. ALFA International is a leading provider of replacement Food Prep... more | | $10.97 FREE shipping go to store |