Oster BLSTSCSBF 10Speed Blender White Unmatched durability. Only Oster Blenders have an all metal drive system from motor to blade. Perfect performance, every time. The powerful motors and stainless steel blades provide maximum ice crushing power to ensure smooth, uniform consistency for the ideal drink. The Oster BLSTSCWBF 10Speed Blender features a 5cup dishwasher safe thermal glass jar. The jar is shocktested to withstand extreme temperatures. And a 450watt motor with pulse feature for precise blending control.