Ratcheting wrench with 5 swing arc and has a reversing lever to eliminate hand-over-hand turning, twist lock guide system reduces the'walk back' of the die guide and keeps the dies centered while cutting. SAVING CUSTOMERS' TIME in selecting the correct drill bits - sae metric tap and die set is equipped with drill bits of corresponding sizes for different taps, it reduces customers' learning time, no need to repeatedly check the corresponding table, which avoids production issues due to missing or mismatched drill bits, further improving production efficiency and reducing costs.DECENT PORTABLE TOOL BOX - comprehensive storage container with drawers that allows you to organize accessories of different sizes in their designated compartments, making it easy to retrieve sae metric tap and die set and convenient to carry around. Package Dimensions: 16.89 x 13.66 x 4.02 inches. Item Weight: 14.48 pounds. Item model number: tap die set.