Tani-Logics Uk Web Agency. BEST PRICES GUARANTEED Quality Items. Top end High quality door handles sutible for upvc and composite. LEE THE LOCK – ITEM DETAIL. These Handles are excellent quality and what we fit on our customers doors. They are made bu Mila and we have letterplates to match (see in our shop) they have a. 10 year mechanical and paint guarantee. They are sprung loaded and the spring is heavy duty. The problem with a lot of inferior door handles is that the lever gives way from the back plate of the handle – These wont they are fit for purpose. Sign up to our newsletter for special deals.