LEGO Reddish Brown Cone 1 x 1 with Top Groove has been used in at least 240 LEGO sets over the past 18 years, since it was first used in 2006. You can also find this part in at least 81 other colours. It has a design ID of 59900 which can usually be found molded into the bottom of the part.
Cone 1 x 1 with Top Groove : Part 4589b
Cones - LEGO® Cone 1x1 with Top Groove - The shop Briques Passion
LEGO Queen Anne's Revenge Set 4195 Inventory
LEGO Parts Cone 1 x 1 1x1 w/ Top Groove 4589b 28701 [10 pieces] Choose Color
LEGO Boutique Hotel Set 10297 Inventory
LEGO PART 59900 Cone 1 x 1 [Top Groove]
/media/parts/photos/0/59900-0-9b486
LEGO Cone 1 x 1 with Top Groove, Reddish Brown [4589b] – DASHBRICK
Lego® 59900, 4589b, 64288, 28701, 4518029 cone brick 1x1 orange
Cone 1 x 1 with Top Groove : Part 4589b
LEGO PART 59900 Cone 1 x 1 [Top Groove]
Lego® 59900, 4589b, 64288, 28701, 4529235 cone brick 1x1 blue
Cone 1 x 1 with Top Groove : Part 4589b
LEGO Cone 1 x 1 with Top Groove, Reddish Brown [4589b] – DASHBRICK