Replace a lost or worn drill chuck key with this Century KK thumb handle chuck key. Made from hardened tempered alloy steel for lasting durability. Fits 3/8" to 1/2" drill chucks with a 9/32" pilot hole, including the popular Jacobs Multi-Craft series chucks.

• Hardened tempered alloy steel construction
• Thumb handle design for comfortable grip
• Fits 3/8" to 1/2" drill chucks
• 9/32" pilot, 10 teeth
• Compatible with Jacobs Multi-Craft and similar chucks