Implacare™ II 4R/4L Refill Tips Implacare™ II 4R/4L Refill Tips IMPL4R/4L Includes 12 Refill Tip Pairs in Columbia 4R/4L design. Two cutting edges and a rounded toe allows for adaptation on all surfaces. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.