Description LF1605 Locking Knob While stocks last. This camlocking knob from Lowe & Fletcher is suitable for a range of applications. Black Plastic Grip. Square Spindle on Inside. 2 Keys Supplied. Head dimensions (W x H x D): 42 x 42 x 40mm. Rose Diameter: 57mm. Key Series 92. Movement: 90° Anti Clockwise. Keys Cut To Code. Keyed Alike and Master Keyed To Special Order