Viper Stabilizer Foot Extensions are designed for maximum stability as you work outside your power rack with safety spotter arms or other rack attachments. Heavy duty 3” x 3” construction just like our Viper Power Racks. 24" length. Sold in pairs. Designed exclusively to fit XMARK Viper Racks. Why buy your Power Rack Stabilizer Foot Extensions from Peak Flow Fitness Authorized XMARK Dealer — Full manufacturer warranty on every order, every time. Freight Shipping — This item ships by freight; your shipping cost is calculated at checkout. Best Price Guarantee — Find it cheaper elsewhere? We'll match the price. 0% Financing Available — Use Shop Pay Installments at checkout to break up your payment. 30-Minute Response — Reach out to [email protected] or call (646) 921-5221 Mon–Fri 9 AM–9 PM EST. We reply within 30 minutes. Shipping & Delivery Orders ship from the manufacturer warehouse within 1–3 business days. Standard delivery is 5–10 business days for parcel orders; freight items (larger equipment) deliver in 7–14 business days with curbside drop-off. Tracking is emailed automatically once your order ships. Warranty & Returns Every product is backed by the full manufacturer warranty plus shipping insurance on every order. If anything arrives damaged, contact us within 48 hours and we'll handle the replacement directly with the supplier. See our 30-day return policy for details. Questions? Email [email protected] or call (646) 921-5221. Mon–Fri 9 AM–9 PM EST. We respond within 30 minutes during business hours.