For cutting a range of different diameter holes which include the sizes of 19mm, 22mm, 29mm, 32mm, 38mm, 44mm, 51mm, 64mm, 76mm, 89mm, 102mm, and 127mm. It can cut holes up to 25mm or 1in in depth. Manufactured of high strength Bi-Metal carbon steel with induction teeth of hardness 46-63 HRC.

Features:

• Set includes 12 Bi-Metal carbon steel hole saws with HSS pilot drill bit
• Hole saw sizes: 3/4"-19mm,  7/8"- 22mm,  1 1/8"-29mm,  1 1/4"- 32mm, 1 1/2"-38mm, 1 3/4"-44mm,  2"- 51mm,  2 1/2"- 64mm, 3"-76mm, 3 1/2"-89mm, 4"-102mm, and  5"-127mm
• Can be used for drilling thru drywall, plastic, MDF, thin aluminum and plywood
• Cuts smooth, clean and accurate holes
• The kit includes a storage case 

Specifications:

• Brand: Harden
• Model: 610548
• Made of high carbon steel, hardness 46-63 HRC
• Saw blade sizes: 3/4"-19mm,  7/8"- 22mm,  1 1/8"-29mm,  1 1/4"- 32mm, 1 1/2"-38mm, 1 3/4"-44mm,  2"- 51mm,  2 1/2"- 64mm, 3"-76mm, 3 1/2"-89mm, 4"-102mm, and  5"-127mm
• Cuts holes up to 1in or 25mm in depth
• Two sizes of mandrel with transferable pilot drill bit
• Drive plate for larger saw blades
• Alen key for pilot drill bit replacement
• Product requirement: power drill or cordless drill
• Black PVC storage case with foam insert

Package includes:

• 16pcs hole saw kit with PVC case
• Retail packaging