I want to buy MAN Truck Gear Lever Knob 81326200043 81326200039 81326200085 81326200049 81326200045 81326200083 81326200076 81326200095. But first I need to know what other machining and electronic requirements are.Would it be possible to get 1 sample piece to evaluate?Shipping details: 5075 Regional Road 69, St. Anns, Ontario, Canada, L0R1Y0