Use solid brass padlocks to secure removable bollards. Padlocks are 1-3/4 wide and feature double-locking shackles for better security. Locks are
Master Lock Stainless Steel Outdoor Padlock with Key, 1-3/4 in. Wide, 2 in. Shackle, 4 Pack 1SSQLH - The Home Depot
R-7591-AL Decorative Bollard
Master Lock 82 Non-Rekeyable Laminated Brass Pin Tumbler Padlock 1-3/4 (44mm)
1-3/4 Thick Brass Key Pad Lock
1-3/4 Brass Body Padlock-AR1
ABUS USA - 70IB/45 HB-63 B KD 1-3/4 - Padlock;Brass;Vinyl Covered;5 Pin;2-1/2 in W;Shackle 9/32 in Dia;KD;Rust Free - RS
PL453B20S SFIC - GENERAL LOCK - PL453B20S
Master Lock Keyed Padlock, 3/4 in,Rectangle,Gold 6002NSBCUS, 1 - King Soopers
R-7553-B Decorative Bike Bollard
R-7736 Decorative Bollard
Master Lock Padlock, Keyed Different, Long Shackle, Rectangular Brass Body, Steel Shackle, 3/4 in W 2LJ
Master Lock 1-9/16 In. W. Solid Brass Keyed Different Padlock - Power Townsend Company
U 10745 - 1-3/4 in. x 4-1/2 in. Thick Solid Brass Lock and Door Reinforcer