Technic Driving Ring Extension, 8 Ridges

Animal / Creature Body Part, Claw with Clip Plate Special 1 x 2 5.9mm Centre Side Towball Socket Brick Curved 2 x 2 x 2/3 Plate 1 x 1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Plate Angled 2 x 2 with Step and Hole in Center Tile Special 2 x 2 Inverted Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Tile Special 2 x 3 Pentagonal Bar 2L with Towball Plate Special 1 x 2 with End Towball