The 591B-SA-PI two star wafer tweezer for 5 wafers has a solid upper paddle which allows greater surface contact. The B version Features: a 20 bend in the body to improve handling. The overall length is 4 78. The tool is made of anti-magnetic stainless steel and Features: serrated handles for better control.Specs amp; FeaturesWafer for 5 wafers, Solid Upper Paddle, Application: Bent handle facilitates the manipulation of wafers, Quality: , Surface Resistivity : Conductive, Shape: Bent Handle, Tip Angle: 20, Material: Anti-Mag. SS, OAL: 5 (125mm), Body Width: 0.60 (15mm), Body Height: 0.15 (4mm), Tip Width: .638 (16.2mm), Tip Height: .106 (2.7mm)