Strybuc 1/2" Right Hand Side Mount Window Operator 808CKR 69-9826

It has 1/2 inch inside diameter hole with 1/2 inch hub projection. It includes 1 inch black plastic crank handle, 7/8 inch metal handle extension, 2 handle screws, 7/8 inch torque bar bearing, 2 torque bar arms, 2 e-rings & screws.