Figure 1. Knock-Out Dimension Diagram 4 (Models: 2110 and 4075) Model Dimensions mm (in) D D1 D2 W W1 φd4 φd5 2110 4075 112.5 (4.43) 96 (3.78) 48.5 (1.91) 73 (2.87) 38 (1.50) 35 (1.38) 50 (1.97)