Sealey TWHS3 Thin Wall Hole Saw Set 3pc

MATERIAL - Manufactured from high quality HSS with 8% cobalt bi-metal which is ideal for drilling into thin metal.
VARIABLE PITCH - Teeth profiled with a progressive pitch for a smooth burr free finish.
UNIVERSAL - Hex shank for use with any standard sized drill chuck.
FLARED SHOULDER - Depth stop to prevent the user from drilling too deep.
EJECTION SPRING - System designed for efficient waste removal.
SIZES - ø20, 25, 32mm.