Halfround Swage Block Hardened Tool Steel Swage Block with 12 halfround grooves. 12 x Half-Round grooves 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 16mm, 20mm & 25mm wide. Overall size 120mm x 90mm x 30mm. Transform your workshop with this versatile, high-density swage block, precision-engineered to provide the perfect support for all your specialized forming, doming, and metal-shaping needs. https://stores.ebay.com/hswalsh/ - Visit our UK eBay store here.