Bondo Fiberglass Resin Liquid Hardener, Designed For Interior and Exterior Use, 0.74 Fl oz Bondo Fiberglass Resin Liquid Hardener, Designed For Interior and Exterior Use, 0.74 Fl oz Price: $7.49 Sale Price: $6.89 & FAST FREE SHIPPING You Save: $0.60 (8%) Add to Cart Usually ships in one business day. SKU: 209186. Be The First To Write A Review 0.00 Review (0) (0) (0) (0) (0) Write a Review Write a Review Score: Title: Review: Ask a Question Question: Thank you, your review has been submitted.