The Kent Twin Paddle (TP-1) is one of my favorite paddles -- largely due to it finger spacing between the paddles is wider than many other paddle -- an advantage for large hands!!
RA Kent Engineers (UK) can supply and parts or answer you questions. http://www.kent-engineers.com/
R.A. Kent TP-1 Assembly Instruction / Noteshttp://www.kent-engineers.com/TWINassembly.htm
You can order spare Parts on-line for your Kent Morse keys and paddles. Just go to the page for your Kent Key product and click on the parts link! This will give you a listing of all the parts for that product.http://www.kent-engineers.com/twinspares.htm
My TP-1 kit was missing the Kent logo. Arrived via Royal Mail (within a couple of days)