Federal Stock # 1 5120-01-110-5905

• 3 5/8" length extensions are available with or without a set screw.
• Set screw is adjustable with CMS-3 .050 Allen hex insert bit & enables another extension/bit to be locked in the extension.
• E2  2" extension is not available with a set screw.
• 6" extensions do not fit inside any of our tool sets, use a wrap to secure to our soft pack sets

Please note: Chapman extensions are designed to be used with Chapman screwdriver bits & are not guaranteed to work as a universal tool.