Cutter props and running gear are designed specifically for tournament craft in the world's largest marine propulsion laboratory. They are investment cast from aircraft grade stainless steel to ISO 9002 specifications. Surface finish and blade configuration of each prop are checked at six stages of production.   P/N Description 1310LS-X1 Propeller 13" x 12.5" x 1" - 4 blade - LH Cupped (Stainless Steel) 1318LS-X1 Propeller 13" x 12.5" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel) 1310LS-X2 Propeller 13" x 13.5" x 1" - 4 blade - LH Cupped (Stainless Steel) 1318LS-X2 Propeller 13" x 13.5" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel) 1310LS-X16 Propeller 13" x 16" x 1" - 4 blade - LH Cupped (Stainless Steel) 1318LS-X16 Propeller 13" x 16" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel) 1310RS-X16 Propeller 13" x 16" x 1" - 4 blade - RH Cupped (Stainless Steel) 1418LS-X1 Propeller 14" x 18" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel) 1418LS-X2 Propeller 14" x 18.5" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel) 1418LS-X20 Propeller 14" x 20" x 1 1/8" - 4 blade - LH Cupped (Stainless Steel)