Luckyway 3-Piece Hole Saw Mandrel,Fit 3/4-Inch to 6-Inch Diameter,Including 7/16-Inch and 3/8 Inch Shank Hole Saw Arbor and 3-Piece 1/4 Inch HSS(M2) Central Drills

Great craftsmanship.

la altura de la broca con es compatible con las comunes (es mas pequeña) y no funciona

I like them very well

Great valve and good quality

Great mechanism for release and tightening.

I bought these so I would have a mandrel with locking pins for my hole saw. They are very durable and very easy to use. Extremely happy with my purchase, and a great addition to my tool collection.

Perfect for cutting through metal frames at work.im an comercial electrician and am constantly useing these wholesaws...

seems like good quality workmanship. havent put it to the torque test yet.

replaced old ones

Worked great out the box. Easy release system make the job quick. Would definitely buy again.