Fronius Genuine Clamping Sleeve (AKA Collet) 42,0001,2572 Fronius Sale! from 193 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Fronius Genuine Clamping Sleeve (AKA Collet) 42,0001,2572 SKU:FRP 42,0001,2572