The Precision Prep Series is a series of diamond instruments and kits that are designed for precise depth control when preparing for all types of indirect restorations, including glass ceramics, zirconia, hybrid ceramics, veneers, and more. At a glance Instruments designed for an accurate preparation for all restorative materials 3-tiered depth controlled diamonds for anterior crowns and veneers 2-tiered depth controlled diamonds for posterior crowns Contains: Diamonds -828TG-017-FG - Green, Coarse, 1.7mm Ø, 1.5mm Depth, Occlusal Reduction, FG -828TY-017-FG - Orange, Coarse, 1.7mm Ø, 2.0mm Depth, Occlusal Reduction, FG -897W-016-FG - Blue, Medium, 1.6mm Ø, Modified Shoulder, FG -897WF-016-FG - Red, Fine, 1.6mm Ø, Modified Shoulder, FG -846W-018-FG - Blue, Medium, 2.3mm Ø, Modified Shoulder, FG -846WF-018-FG - Red, Fine, 1.8mm Ø, Modified Shoulder, FG -897W-020-FG - Blue, Medium, 2.0mm Ø, Modified Shoulder, FG -897WF-020-FG - Red, Fine, 2.0mm Ø, Modified Shoulder, FG -511W-035-FG - No Stripe, Medium, 3.5mm Ø, 0.5, 1.0mm Depth, Modified Depth, FG -511W-040-FG - No Stripe, Medium, 4.0mm Ø, 0.8, 1.2mm Depth, Modified Depth, FG -511W-045-FG - No Stripe, Medium, 4.5mm Ø, 1.0, 1.5mm Depth, Modified Depth, FG -839RF-012-FG - Red, Fine, 1.2mm Ø, End Cutting, FG Bur Block -OR140 - Orange, 12 FG Slots