SHOP › Knock Sensor (KNS/B) Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Knock Sensor (KNS/B) £84.00 Donut style8mm holeIncludes plug and pin kit OR Loom Kit Loom Option: Without Loom With Loom Quantity: Add To Cart Added! Donut style8mm holeIncludes plug and pin kit OR Loom Kit