Sealey Electroplated Diamond Hole Saw 20mm

- DURABLE - Electroplated diamond coated cutting edge allows precise chip-free cutting of glass, granite, marble, porcelain and ceramics. - COOLING - soaked sponge prolongs life of cutting edge by reducing heat build up. - DIVERSE - 45mm cutting depth makes this range ideal for plumbing and electrical installations. - DOMESTIC OR PROFESSIONAL - rounded hex shank makes it suitable for both handheld or pillar drill chucks.