Does this have the lifetime warranty?

The CMMT14104 has a limited lifetime warranty on the tool. Bits are not covered under warranty.

In what country what it manufactured?

The CMMT14104 is manufactured in Taiwan.

what size are the replacement bits

This set comes with (4) bits that are a Phillips 1,2, 3 and a Flat/Slotted 8 &10 hex bit.

My #2 phillips 5/16" shaft bit keeps breaking. Can I buy just #2 phillips 5/16" shaft replacement bits for my power driver?

All I can say is that all my normal bits do not fit in this tool. It's slightly larger than 3/8 bits. I believe 3/8 refers to the tool shank itself, not the bit chuck. I would imaging 5/16 would work, but I don't know and don't have any. I have had very little luck finding a bit to fit this let alone an extension to fit which is what it really needs for tight spaces. The head unit is fairly stocky and won't fit in tight spaces. Holds the provided bits fine.

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🛠️ Power, Precision, and Lifetime Reliability — Own the Impact Driver That Means Business

LIFETIME CONFIDENCE - Backed by a full lifetime warranty, ensuring your tool stays as reliable as your work ethic.
STRIPPING NOT HERE - Engineered to tighten fasteners efficiently without damaging or stripping heads.
ALL IN ONE VERSATILITY - Includes 5 precision bits for both slotted and Phillips fasteners plus 3/8-inch socket driving capability.
UNMATCHED TORQUE POWER - Delivers up to 200 ft-lb of impact force to conquer the toughest rusted or frozen fasteners.
ERGONOMIC MANUAL CONTROL - Manual winding design offers precise control and ease of use for professionals on the go.

The CRAFTSMAN 3/8-Inch Hand Impact Driver Set (CMMT14104) is a professional-grade manual tool designed to deliver up to 200 foot-pounds of torque. It includes 5 versatile bits for slotted and Phillips fasteners and drives 3/8-inch sockets, making it perfect for loosening rusted screws and tightening fasteners without stripping. Compact, portable, and backed by a full lifetime warranty, this impact driver is engineered for durability and precision in demanding work environments.

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AR$104560

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Manufacturer	CRAFTSMAN
Part Number	CMMT14104
Item Weight	1.83 pounds
Product Dimensions	10.39 x 4.96 x 1.22 inches
Item model number	CMMT14104
Size	3/8- in
Color	Black Oxide
Power Source	Manual Winding
Maximum Power	800 Watts
Item Package Quantity	1
Number Of Pieces	5
Head Style	Flat, Phillips
Compatible Fastener Range	0.375 inches
Special Features	Portable
Included Components	(1) CMMT14104 3/8-in. IMPACT TOOL SET
Batteries Included?	No
Batteries Required?	No
Warranty Description	Full Lifetime Warranty

CRAFTSMAN Hand Impact Driver, 3/8-Inch Set (CMMT14104)

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