Figure 1. Knock-Out Dimension Diagram 6 (Models: 2169, 4140, and 4168) Model Dimensions mm (in) D D1 D2 W W1 φd4 φd5 φd6 2169 4140, 4168 149.2 (5.87) 117.8 (4.64) 56.8 (2.24) 78 (3.07) 37.5 (1.48) 44 (1.73) 35 (1.38) 62 (2.44)