SilkLine™ Extremely Durable BlocksSilkLine™ Extremely Durable Blocks. Hygienic and durable nail file blocks. Extremely durable for the range of fine tuning of your nails. Grit Types Available: Medium - Fine Grit: 100/180/180 Fine - Extra Fine Grit: 320/320/320 Nail Type & Condition: For all nail typesFeatures & Benefits: Durable, sanitizable block with medium to fine and fine to extra-fine grit.
