The price is for 1 piece. Please pay attention to the size comparison in the second picture showed. The size details are listed below.
(1) Small: length 12mm, width 8.5mm, hole 5x5mm
(2) Medium: length 16mm, width 11.5mm, hole 6.5x6.5mm
(3) Large: length 20mm, width 14mm, hole 8x8mm
LS312-29-47