Thank you for your interest in our tools. You buy without risk from the dealer and receive an invoice with VAT shown. If, despite our careful examination, something is wrong with the goods, we ask you to contact us. There is always a solution. We offer the following immediately available accessories: professional Gear ring key made of metal 16mm the 16mm is the diameter at the smaller circumference of the sprocket. The pin in front of the ring gear has a diameter of 8mm Own brand Kraftfeld.