Home / Brake Lathe Accessories / Clamping Silencers / Steel Arm Steel Arm $40.41 Part Number: 63B-3 Steel Arm quantity Add to cart UPC: 682488230294 Category: Clamping Silencers Tag: Steel Arm Related products Ball and Shaft $17.94 Part Number: 63B-6Add to Cart 4 PK | Ammco Style Silencer Pads $35.11 Part Number: 83B-2Add to Cart 15 PC. Ammco Style 7075 Friction Silencer for 4000 Family Models – Complete Kit $259.85 Part Number: 63AAdd to Cart Ammco Style 3 Way Slide Rotor For 7075 – 1 Piece $27.17 Part Number: 63B-2Add to Cart