Heavy duty construction. Square Size: 3/4".
eBay
K11 80 100 125 160 200 250 Manual Lathe Three Jaw Chuck 100mm Sanou Four Jaw Self-centering Chuck 4'' Scroll Chuck for Small L
Aliexpress UK
3/4" Square Drive Heavy Duty Lathe Chuck Key. 11.3/4" Handle Span.
eBay
Clamping Collet Chuck Collet Chuck Clamping Collet Chuck Compact Replacement for CNC Milling Machine Lathe ER40 80mm Diameter
Aliexpress UK
3/4" Hexagonal Drive Heavy Duty Lathe Chuck Key. 11.3/4" Handle Span.
eBay
K12 80 100 125 160 200 250 130 Lathe Chuck 100mm Sanou Four Jaw Self-centering Chuck 4'' Scroll Chuck For Small L
Aliexpress UK
Heavy duty construction. Square Size: 3/8".
eBay
B-T Mini Lathe Chuck Set, Extension Chuck And Connecting Rod Set, Electric Drill Chuck
Aliexpress UK
(This chuck key will fit those Jacobs Chucks previously manufactured at the Sheffield, (England) or Hartford (Connecticut, USA) factories. c) Cardinal Mk.II (Cap 3/8"). Jacobs No.32 Chuck. Jacobs No.33 Chuck.
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Mini Metal Lathe Machine 7"x14" Benchtop Digital Display 550W Variable Speed with 3-jaw Chuck for Metal Turning Threading
Aliexpress UK
Small vintage lathe Chuck key
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ER25 Spring Clamps 9PCS MT2 ER25 M12 1PCS ER25 Wrench 1PCS Collet Chuck Morse Holder Cone For CNC Milling Lathe tool
Aliexpress UK
Chemically - Blackened Hardened Steel. 2 x Pcs Chuck Key Set. Colour May Vary From The Pictures.
eBay
4 In 1 Drills Chuck Key Multi-function Mini Electric Drill Chuck Portable Electric Drill Chuck Wrench Key Universal Hand Tool
Aliexpress UK
UNIVERSAL FIT: Compatible with most 13mm (1/2") drill chucks for versatile use. PRECISION ENGINEERING: Designed to provide a perfect fit for your drill chuck. LIGHTWEIGHT: Compact and lightweight design for convenient storage and transport.
eBay
Sanou K01-50 Lathe Chuck three/four Jaw,M14*1 for K01 50 63 K02-50 K02-63 Mini DIY Metal Wood Lathe Tools Connecting rod
Aliexpress UK