Fused SAKS screw cap: This features a red screw fit, finger release fuse carrier to suit BS1362.ASK1 lever: This features a lever fuse cartridge carrier which accepts 20x5mm fuse links. A window in the top of the carrier enables inspection of the fuse.,KSK lock up: This range of fuse holders feature a black lock up fuse carrier, which is drawn up to its full extent to the open position, enabling fuses to be replaced easily without endangering the operative.The carrier has the fuse size moulded in to enable correct selection of fuse size. Available for fuse sizes 20x5mm, 1x in. and 1 x in.