Got a job that calls for a robust bundling solution? Choose these cable ties from Thomas & Betts. They're made of hardwearing nylon 66 that has a tensile strength rating of 222N. This means you can trust them to hold heavy bundles of cables up to 76mm in diameter without warping or sagging. It also makes the ties suitable for supporting your flexible conduits. As they come with their tails ready turned up and don't take much force to insert, they're quick to assemble by hand or with a tool. The smooth edges mean there's little risk of snagging or damaging cable sheaths.

• Come in a pack of 100, so you get plenty to see you through several jobs
• Broad operating temperature range from -40°C to +85°C for safe use in harsh settings
• Halogen-free design means there's no risk of toxic smoke in a fire

• Server rooms
• Telecommunications networks
• Electrical engineering

Yes. Their non-releasable design makes they're tamper-resistant, as they can't be undone and have to be cut off and replaced.