Home / Brake Lathe Accessories / Dial Knob for Twin Cutter – Ammco #6923 Dial Knob for Twin Cutter – Ammco #6923 $33.78 Part Number: A6923 OEM: 906923 Dial Knob for Twin Cutter - Ammco #6923 quantity Add to cart UPC: 682488087386 Category: Brake Lathe Accessories Tags: Dial Knob for Twin Cutter, OEM: 906923 Related products On Backorder15 PC. Ammco Style 7075 Friction Silencer for 4000 Family Models – Complete Kit $259.85 Part Number: 63AAdd to Cart Wrench $9.94 Part Number: 63B-14Add to Cart AMMCO Pin for Large Pulley $2.77 Part Number: 6004Add to Cart Brass Plugs for Ammco – 25 PK. $55.57 Part Number: 7-09836-25Add to Cart