Insulator Screw-in HD Pack of 20 Qty  Description  Insulator Screw-in HD Pack of 20 Approx. Weight ~ 0.465 KG Availability  More than 10 Code  49137 Barcode  5050943491378 Range  Electric Fencing Products Section  Insulators and Fencing Accessories Price (Ex. VAT) £6.68 Price (Inc. VAT) £8.02   Large Heavy Duty. Will take rope and wire up to 8mm.