Home / Drilling & Tapping / Drill Chucks / Drill Chuck, Keyless, 3/8″, MT # 1, Jacobs Portomatic Drill Chuck, Keyless, 3/8″, MT # 1, Jacobs Portomatic$30.00 Category: Drill Chucks Description Description Jacobs Portomatic 0-3/8″ Keyless Drill Chuck, Morse Taper No. 1 Sjaml Related products Drill Chuck Arbor, Jig Bore to Jacobs Taper #2 $10.00 Read more Drill Chuck, 45 Taper Quick Change, 1/32″ – 1/2″, SPI Ball Bearing $95.00 Read more Drill Chuck, MT #4, 3/4″ Capacity, Jacobs 18N (B) $125.00 Read more Chuck, Quick Acting, Straight Shank, Gronkvist Chucken, Made in Sweden $49.00 Read more