Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper) : Part 15573 | BrickLink
LEGO PART 3794a Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Rebrickable - Build with LEGO
Amazon.com: Eske Kouri Gobricks GDS-654 Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud Compatible with Lego 6091 32807 All Major Brick Brands Toys Building Blocks Technical Parts (44 Trans-Yellow(130),30 PCS) : Toys & Games
Plate, Modified 2 x 2 with Groove and 1 Stud in Center (Jumper)
Amazon.com: Eske Kouri Gobricks GDS-654 Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud Compatible with Lego 6091 32807 All Major Brick Brands Toys Building Blocks Technical Parts (44 Trans-Yellow(130),30 PCS) : Toys & Games
Lego Parts: Plate, Modified 1 x 2 with Clip Horizontal on End (Pack of – Wholesale~BricksandFigs
LEGO PLATE MODIFIED 1X2 W/ 1 STUD IN MIDDLE(5 PCS) CHOOSE YOUR COLOR 3794 15573 | eBay
LEGO® 87580 6056291 - ToyPro
The new LEGO® 1x2 Rounded Plate | New Elementary: LEGO® parts, sets and techniques