OverviewBeta Tools insulated single ring wrench 8 mm is built for professional electrotechnical work where safe handling and reliable fastener control are essential. Designed as part of the 89MQ range, this 1000V insulated single ring wrench is suited to electricians, installers and maintenance engineers carrying out assembly, servicing and repair tasks on electrical equipment and installations. The ring head format helps maintain secure contact with the fastener, which is particularly useful when working in confined spaces such as panels, cabinets and control assemblies. With an overall length of 155 mm and a compact head size, it offers a practical balance of access and leverage for routine trade use. This makes it a dependable option for workshops, site work and maintenance programmes where insulated tools form part of standard electrical safety practice.Features Provides 1000V insulation for professional electrical installation and maintenance work. Delivers secure ring wrench engagement on 8 mm fasteners for controlled tightening and loosening. Improves access in enclosed spaces with a compact 155 mm overall length. Supports electrotechnical servicing tasks in panels, cabinets and electrical assemblies. Ensures practical handling with a single ring format suited to precise fastener work. Offers a professional 1-piece solution for trade toolkits and service kits. Specifications SKU 000890108 Range/Series 89MQ Product Type Single ring wrench Size/Capacity 8 mm Length 155 mm Weight 77 g Pieces 1 Compatibility Electrical and electrotechnical fastening applications Application Electrical installation, servicing and maintenance Standard(s) Insulated 1000V A 15 mm D 15 mm S 7 mm Downloads & MediaDatasheet (PDF)