Technic, Pin with Friction Ridges and Pin Hole : Part 15100 | BrickLink
LEGO PART 15100 Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise | Rebrickable - Build with LEGO
Amazon.com: Eske Kouri Gobricks GDS-925 Compatible with Lego 15100 All Major Brick Brands Toys Building Blocks Technical Parts Assembles DIY (330 Olive Green(049),40 PCS) : Toys & Games
LEGO® Technic, Black Pin with Friction Ridges Lengthwise and Pin Hole 15100
LEGO - Part 15100 - Pack of 5 x NEW LEGO Technic Pin and Pin Hole +SELECT COLOUR | eBay
Amazon.com: Eske Kouri Gobricks GDS-925 Compatible with Lego 15100 All Major Brick Brands Toys Building Blocks Technical Parts Assembles DIY (194 Light Bluish Gray(071),40 PCS) : Toys & Games