Home MAINTENANCE SPRAYS Shock & Unlock 500ml View cart “WD-40 With Spray Applicator 5 Litre” has been added to your cart. 🔍 Shock & Unlock 500ml£5.49 Frees rusted components Dual action penetrates and cools Synthetic base oil A powerful penetrator and releasing agent Releases seized rusted bolts and locks Penetrates rust, grease, oil & carbon Shock & Unlock 500ml quantity Add to cart SKU: SU500SC11 Category: MAINTENANCE SPRAYS Related products Comma Release Oil 500ml £8.49 Add to cart Napa Brake & Clutch Cleaner 600ml £4.49 Add to cart Napa White Grease 500ml Aerosol £4.99 Add to cart Napa Multi-Lube 500ml £4.99 Add to cart