Barnwell K3 Chuck Key with Thumb Rest to fit Jacobs 3, 34 & 35 Series 14N
This is a Barnwell K3 Chuck Key with a thumb rest. The chuck key will fit Jacobs 3, 34 & 35 Series & 14N chucks. 3, 3A, 3AE, 3B, 3KD, 3PD, 6AE, 6A-2A, 6A-33, 6B, 14N, 34, 34B, 34KD, 34PD, 35, 55B, 56B, 58B, 75A, 634, 634B44Z-6B and 43SB-6A.