Stanley 47-464 PowerWinder Chalk Box 3 Piece Set - Blue Chalk Patented ChalkView Case - see amount of chalk inside the case Rewinds 3-1/2x faster has a 3. 5:1 gear ratio Crank Clutch crank handle will spin when pulling out string Stainless steel crank handle and hook. On-board hook storage Limited Lifetime Warranty Patented ChalkView Case - see amount of chalk inside the case Rewinds 3-1/2x faster  has a 3. 5:1 gear ratio Crank Clutch  crank handle will spin when pulling out string Stainless steel crank handle and hook. On-board hook storage Limited Lifetime Warranty