Parallel straight male adapter, tube diameter 4 mm, M5 (10 pieces) RG.50-020-00N01 | Gimatic
LEGO PART 3062b Brick Round 1 x 1 Open Stud | Rebrickable - Build with LEGO
Collet Chuck Reduction Sleeve Split Bushing Converters Collet Reducer Cutting Connector Tool Bit Adapter for Woodworking , 12.7mm to 6.35mm - Walmart.com
Booklet available in English on Livret disponible en français sur Folleto disponible en español en
LEGO® 306226 3062b
LEGO Part 3062b: Brick Round 1x1 Open Stud - Choose Colour & Quantity | eBay
10PCS Assembles Particles 3062 Cylindrical Brick 1x1 Round Open Stud Catch Building Blocks Parts DIY Educational Tech Parts Toy - AliExpress Toys & Hobbies