This is designed for sawing of traffic control loops as well as grooving the concrete and asphalt. Typical cutting depth is 2�or less for traffic control loops. Loop Blades for Cured Concrete Loop Blade for Asphalt Item No Specification (DXTXH) inch Item No Specification (DXTXH) inch DPCFL 306407 12 x .250 x .275 DPCFL 306408 12 x .250 x .315 DPCFL 308007 12 x .315 x .275 DPCFL 308008 12 x .315 x .315 DPCFL 309507 12 x .375 x .275 DPCFL 309508 12 x .375 x .315 DPCFL 356407 14 x .250 x .275 DPCFL 356408 14 x .250 x .315 DPCFL 358007 14 x .315 x .275 DPCFL 358008 14 x .315 x .315 DPCFL 359507 14 x .375 x .275 DPCFL 359508 14 x .375 x .315 DPCFL 456407 18 x .250 x .275 DPCFL 456408 18 x .250 x .315 DPCFL 458007 18 x .315 x .275 DPCFL 458008 18 x .315 x .315 DPCFL 459507 18 x .375 x .275 DPCFL 459508 18 x .375 x .315