Mandrex One-Click Arbor & Adapter Starter kit
Common thread adapters designed to fit many makes of hole saw

Set comprises;
1x MXqs arbor with chuck HEX8.5 & pilot drill HSS
2x adapter 1/2” for Hole Saws Ø14-30mm
3x adapter 5/8” for Hole Saws Ø32-210mm