Toilet crew of brushed acid-proof stainless steel. Suitable for door thicknesses of 35-75 mm. Comes with 2 pcs. M4 x 75 mm knuckle screws torx 10, 2 pcs. 4 x 38 mm and 2 pcs. M4 holster nuts. Fits all door handles in the 316 series and the lock cases 12359 and 13036.