All kits have a Razorstone® precut tool and some profiles also include a Frangistone® breaker. These tools increase the life of your kits extremely and help your diamond consume in the metallic positions to be even. POS. 1 & 2 (Nickel bonded Zenith®), followed by a BiPower® 3rd metallic, & 3 Longlife® polishers (4,5,6).