First-Cut BASIC Early Entry Blades designed to be used with a Soff Cut or Early Entry Saw Good Quality, Long Life Cutting Diamond Products First-Cut™ blades are part of the True Early Entry System for cutting control/relief joints in green concrete. Sold individually or packaged with skid plate. Early Entry Blades are also made in a professional style format. Green Concrete TRUE EARLY ENTRY™ System Components:• First-Cut™ are offered in two quality grades - Basic, Expert• First-Cut™ saw with skid plate guard system• Optimal Time of Cutting-Known as the Control Zone™ (2 hours after finishing and before final set) First-Cut™ Early Entry Blades are Used on First-Cut™ Saws and Competition-Style Saws. Includes 1" arbor with drive-pin hole and triangle knock out. Specifications: 1000 PURPLE - Very Hard Aggregate 2000 GREEN - Hard Aggregate 3000 RED - Medium Hard Aggregate 4000 ORANGE - Medium Aggregate 5000 YELLOW - Medium Soft Aggregate 6000 BLACK - Soft Aggregate