Oil tank lid shackle. The bar that goes through the shackle and the tank lid is 10mm. The hole for the padlock is 12mm.
eBay
For 10L 20L 30L Motorcycle Fuel Oil Tank Mount Bracket Lock New Fastener With Lock Core
Aliexpress UK
Oil tank lock – deter theft of your central heating oil/kerosene – supplied with padlock. Includes 40mm padlock and 3 keys. The ideal cost effective way to prevent theft of your heating oil.
eBay
20L Jerry Can Gas Diesel Petrol Fuel Tank Oil Container Black Car Motorcycle Spare Petrol Oil Tank Backup Fuel-jug With Lock&Key
Aliexpress UK
Heating Oil Tank Lock and key. Fits most oil tank lids including - Atlas, Titan, Deso, Kingspan. Fits most oil tanks and bunded oil tank lids Replacement lock to fit most oil tank lockable lids. Condition is New. Dispatched with Royal Mail 1st Class.
eBay
5.5L Air Parking Heater Fuel Tank Oil Storage With Fuel Tank Nozzle Oil Head Heating Oil Nozzle For Fuel Oil Tank Accessories
Aliexpress UK
40MM PADLOCK. WITH EXTRA LONG SHACKLE. padlock may vary: style colour material. SHACKLE CLOSED LENGTH MAX:47MM. SHACKLE WIDTH:20MM. ON OUR OIL TANK. ALSO USE TO LOCK FILLER PUMP NOZZLE. OVERALL LOCK LEGNTH:90MM.
eBay
KOETSU Portable Marine Fuel Tank 6L 12L for Outboard Motor, Thickened PE Emergency Oil Gas Tank with Lock
Aliexpress UK
Suits 30/40mm Padlock. Oil Tank Security Lock. Deterrent to theft with added security.
eBay
7L/10L/15L/20L/25L 7L/10L/15L/20L/25L nt-0 Oil Engine Air Parking Heater Fuel Tank Camper Car Water Tank Car Caravan Oil Tank
Aliexpress UK
Galvanised shackle to lock oil tank lids some lids may need a 12mm hole drilled on both sides of the lid to secure Sold with lock
eBay
10L Diesels Air Parking Heater Fuel Tank With Oil Nozzle Multifunction Camper Water Tank Truck Caravan Oil Spare Fuel Tank
Aliexpress UK
Easy to Operate: The fuel tank mounting bracket lock is easy to operate, no complcated operations, and the user can install and remove it by oneself. Item Type: Fuel Oil Tank Bracket Lock. 1 x Fuel Oil Tank Bracket Lock Kit (14PCS).
eBay
RASTP-Square 0.75L Universal Aluminum Racing Oil Catch Tank Can Engine Reservoir Tank / Oil Tank With Hose Indicator RS-OCC018
Aliexpress UK
Easy to Operate: The fuel tank mounting bracket lock is easy to operate, no complcated operations, and the user can install and remove it by oneself. Item Type: Fuel Oil Tank Bracket Lock. 1 x Fuel Oil Tank Bracket Lock Kit (14PCS).
eBay
Car Fuel Tank Gas Fuel Tank Cover For Fits Nissan For All Models Car Fuel Tank Filler Gas Cap Fuel Oil Tank Inner Cover
Aliexpress UK