DYR SUPER PRO Diamond Blade Set - 4.5" - for hand grinder or small circular saw - for wet & dry cutting - arbor 7/8"-5/8" - maximum 13 300 RPM - brand new in package - $20 firm PACKAGE INCLUDES: - 1x Segmented, for concrete, brick concrete block and slab - 1x Tile & Ceramic, for smooth cut tile & ceramic - 1x Turbo , for concrete, pavement, marble, granite, brick, tile & ceramic