4 pcs Chisel Set Square Hole Drill Bits, Steel Hollow Chisel Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) product_type_power_adaptor • Adjustable Carrying Straps: Each

• Adjustable Carrying Straps: Each Collecting bag is equipped with adjustable carrying straps

compatible with most cars

these decorative strips ensure long-lasting performance

The reinforced edges maintain both its shape and durability

4 pcs Chisel Set Square Hole Drill Bits, Steel Hollow Chisel Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) product_type_power_adaptor • Adjustable Carrying Straps: EachProfessional design ideal for drilling square holes in wood with a mortiser. Fits all machines and drill attachments. The square hole drill bit is mainly used in the woodworking field. Material and size: Made of high speed steel Heat treatment, HRC48~50, high hardness, elongated center, high concentricity; 4 sizes 1 4" (6. 35mm), 5 16" (7. 94mm), 3 8" (9. 5mm), 1 2" (12. 7mm). Why choose this item: Reduces the labor intensity of construction workers