6-1/2in. aluminum miter box has thin slots for 30, 45, 90 degree angle accurate cuts with fine kerf saw. Saw Specs: 6-1/2in. long x 1-3/16in. deep with 42 Teeth Per Inch. MADE IN USA Blade is NOT Interchangeable or Replaceable. James Brook wrote in the Dec. 2014 issue of Australian Wood Review that the the Zona 35-241 Miter Box and Saw Set is …”very accurate for mitres and splicing.” and stated “Overall, this is faster than setting up a power mitre saw, and much safer.” View or download the the full review.