| New | White String with Coupling Points and Open End Studs 1 x 21 | 1 | $0.343 | $12.21 | Brick b(u)y Brick (438) Shipping $11.87 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 8 | $0.374 | $8.52 | BrickCoast (5561) Shipping $8.15 Minimum Lot Average $0.51 | |
| Used (Good) | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.429 | $6.42 | 9_Lives_Bricks (207) Shipping $5.99 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 15 | $0.448 | $10.10 | Bricklub (121) Shipping $9.65 Minimum Order $4.57 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 5 | $0.498 | $11.85 | Jobem (8) Shipping ~$11.35 Minimum Order $3.00 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 6 | $0.499 | N/A | Every Little Brick (1081) Does not ship to US Minimum Order $3.29 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.50 | $5.00 | BlainesWorld (1196) Shipping $4.50 Minimum Order $2.00 | |
| New | Bright Green String with Coupling Points and Open End Studs 1 x 21 | 1 | $0.51 | $11.86 | Jobem (8) Shipping ~$11.35 Minimum Order $3.00 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 76 | $0.517 | $13.18 | Brick Takeover (6796) Shipping $12.66 Minimum Lot Average $1.90 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 6 | $0.522 | N/A | Mik4brick (19) Request a Shipping Quote Minimum Order $5.42 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.523 | $7.27 | Aerial Bricks (97) Shipping $6.75 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 31 | $0.529 | $6.84 | JanKarol bricks (81) Shipping $6.32 Minimum Order $7.49 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 10 | $0.536 | $11.51 | Brick Counters Bazaar (185) Shipping $10.97 Minimum Order $5.00 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 8 | $0.536 | $4.54 | John's Brix (42) Shipping $4.00 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.542 | $15.76 | LLOJ Toys (82) Shipping $15.22 Minimum Order $3.26 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 Szybka wysyĆka OLX Kupony na kolejne zakupy | 1 | $0.543 | $8.03 | HIDDEN TREASURE [OLX] ... (96) Shipping $7.49 Minimum Order $2.50 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.543 | $13.57 | Bricks4all_NL (40) Shipping $13.03 | |
| New | White String with Coupling Points and Open End Studs 1 x 21 | 1 | $0.543 | N/A | CapitanBricks (14) Request a Shipping Quote Minimum Order $3.26 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 3 | $0.544 | $6.53 | Handyman's Toy Chest (159) Shipping $5.99 Minimum Order $10.00 | |
| New | Black String with Coupling Points and Open End Studs 1 x 21 | 8 | $0.549 | $10.33 | Shop0815 (168) Shipping $9.78 Minimum Order $5.43 | |