Jacobs 30227 Super Drill Chuck, 1/8 - 5/8 in, NO 3 JT Mount, Ball Bearing, K4 Key Number

Jacobs Drill Chuck, Super, Series: 16N, 1/8 - 5/8 in, Key Number: K4, Ball Bearing, 4.31 in Closed Length, 3.26 in Open Length, NO 3 JT Mount, 2.63 in Outside Dia