ANSI OVALONE Triple Lock AUTO Block Connector KONG Lunar White (98-9201): Connectors, Carabiners | J. Racenstein Co
Series 40 All Purpose Block, Single | Ronstan Sailboat Hardware USA
Master Lock Aluminum 40 mm (1-9/16 in) Combination Lock, 17 mm (11/16 in) shackle, 3 pack, assorted colors - Walmart.com
Selden Ball Bearing Block 40 Fiddle
Wiring Device-Kellems Circuit-Lock® Twist-Lock® HBL30RNB Mechanical Interlock Replacement Neutral Block, For Use With 20, 30 and 32 A Switch, 3000 VAC, NEMA 4/4X/12K/IP66, -40 to 75 deg C Operating, Blue | SMC