Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Foredom Inner Duplex Spring for Hand Pieces by Foredom Sale $24.00 | / SKU 34-F-HP76 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Foredom Inner Duplex Spring for Hand Pieces Replacement inner drive spring for hand pieces with flexible duplex section.