Conca wooden handles for sliding doors come in rectangular, round or square models. These turned handles have been abated on the inside to a maximum thickness of 9.8 mm, which means that they can be placed in different types of sliding doors. They are available in maple, oak and walnut and include a 3M adhesive strip that allows quick, no-fuss installation. They can also be fitted using silicone. Sizes table ROUND MODEL 15 16 17 Maple Oak Walnut D Box 0287065W15 0287065W16 0287065W17 65 2 0287090W15 0287090W16 0287090W17 90 2 SQUARE MODEL 15 16 17 Maple Oak Walnut L W Box 0288065W15 0288065W16 0288065W17 65 65 2 RECTANGULAR MODEL 15 16 17 Maple Oak Walnut L W Box 00289150W15 0289150W16 0289150W17 150 50 2 3M tape included Installable with 3M, silicone, UV.