HomeLiterature HoldersFrames and SignsSign Clips and EaselsSlot-Block Card /Sign Holders Slot-Block Card /Sign Holders Slot-Block Card /Sign Holders Polished clear acrylic blocks are great for small signs and cards, as well as for earring cards and pin cards. Slot measures 1/8″ deep. NameHWDPriceNotesBuyLH13/81 1/41$1.10 $0.73 LH1 quantity Add to cart LH21/21 1/21$2.33 $1.56 LH2 quantity Add to cart LH33/41 3/41$3.56 $2.37 LH3 quantity Add to cart LH43/821$4.12 $2.75 LH4 quantity Add to cart LH51/231 1/2$5.67 $3.77 LH5 quantity Add to cart LH61/251 1/2$9.34 $6.23 LH6 quantity Add to cart