Home / Mashers & Shapers / Brass Necking Tool Brass Necking Tool Manufacturer: Griffin Glass Tools SKU: T107 Price: $32.50 — Out of Stock This brass V-shaped blade is an excellent tool for creating very tight shaping and restrictions in either blown or solid work. Related Products 6 Spot Graphite Marble Mold 2 Spot Graphite Marble Mold Large 3 Spot Marble Mold on Wood Handle Small 3 Spot Marble Mold on Wood Handle Large Doughnut Marble Mold on Wood Handle Medium Doughnut Marble Mold on Wood Handle Small Doughnut Marble Mold on Wood Handle The Infini-V Constriction Tool for Glassblowers by Firekist