Quartzite is a unique natural rock made up of interlocking quartz crystals resulting in a remarkably dense and hard stone. A specialized blade is required to quickly and cleanly cut a material of this quality. The ZENESIS™ QUARTZITE blade provides superior cutting performance on quartzite. Unique split segment design for fast cutting speeds; has cut Taj Mahal at over 6 ft./min. feed rate Patterned diamond matrix for straight chip-free cuts Soft bond for continuous use without dressing Wet Use Only Part No. Diameter Segment Arbor Size ZSGQ20V20T1212T 12" 20mm 60/50mm ZSGQ20V20T1412T 14" 20mm 60/50mm ZSGQ20V20T1613T 16" 20mm 60/50mm ZSGQ20V20T1815T 18" 20mm 60/50mm ZSGQ20V20T2015T 20" 20mm 60/50mm diameter 12"segment 20mmarbor 60/50mm diameter 14"segment 20mmarbor 60/50mm diameter 16"segment 20mmarbor 60/50mm diameter 18"segment 20mmarbor 60/50mm diameter 20"segment 20mmarbor 60/50mm