e Cast Iron Bath Tub Installation Parts: Washer Bolts & Lockout PCs PCs www.kingstonbrass.com TOLL-FREE CUSTOMER SERVICE: 1-877-2-BRASS TECHNICAL SUPPORT E-mail: 12775 Reservoir Street, Chino, CA91710 TOOLS REQUIRED =3 Adjustable Wrench Rubber Mallet [I Mark location Installation Steps: Step 1. Turn tub over and set on non-abrasive mat, insert pyramid bolts unto the mounting slot at the bottom of the tub. Step 2.