Specification: -Size:1/4inch(6.4mm), 5/16inch(8mm), 3/8inch(9.5mm), 1/2inch(12.7mm) -Material: High-speed steel Feature: -Professional, durable, practical, high hardness, long life for use. -Punching drill bits use a full-sharpened edge grinding process. -The mortising chisel set is a must have for home woodworker DIY woodworking -Mortice drill is suitable for construction, installation, renovation, decoration industry, etc. Note: -Please allow 1-3mm differs due to manual measurement. -The square hole punching needs to use electric drill, hammer & other tools.(All of these are not include) -Wear protective gloves, glasses, masks, etc. when opening holes, pay attention to safety. We are super confident in the quality and comfort of our product that we offer 100% satisfaction guarantee! Try our products and if you don't absolutely love them just let us know.We are committed to bringing all of our customer an pleasant shopping experience.
K**T
This may be operater error
Difficult to use struggle to get a square cut
Trustpilot
1 month ago
1 month ago
