Made of high hardness material, durable. The surface of the three-ball crank of the milling machine is carefully polished, with high gloss, beautiful appearance, elimination of burrs, and safe use. The olive-shaped hand-held part of the milling machine's three-ball crank is ergonomically designed for a comfortable grip and lightens the workload. Triple ball crank table handle for milling machines, suitable for most milling machines and tables. Ball crank table handle replacement handle is safe and convenient. Parameters: Weight: Approx. 784 g / 27.7 oz, Full Length: Approx. 197mm/7.8", Bore Diameter: Approx. 16mm/0.6", Keyway Width: Approx. 3mm/0.1in, inner barrel width: approx. 1.1 inches.