Starrett A19 'Oops' Arbor Type_Diamond Blades is manufactured from hardened and

is manufactured from hardened and tempered carbon steel for increased durability

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Powered by a 3V lithium battery (supplied)

Supplied in a handy storage clip

The robust construction gives accurate results to ± 4% even in arduous working conditions

Starrett A19 'Oops' Arbor Type_Diamond Blades is manufactured from hardened andThe Starrett A19 'Oops' Arbor can be used in conjunction with: A1, A2 or A10 type holesaw arbors. Replacing the pilot drill, it allows diameters to be enlarged by attaching a saw of the same size to that of the existing hole, this acts as a pilot for the larger diameter saw. Works with the following holesaw type: (SH) Constant Pitch HSS Bi Metal, (DH) Dual Pitch HSS Bi Metal, (MPH) TCT Multipurpose, (CT) Carbide Tipped and (D) Diamond Grit. Minimum