Chubbsafes Sigma Deposit Safe Size 1 Key Operated Locking. Chubbsafes Sigma for depositing cash, cheques & vouchers Advisory insurance cash rating is £10008mm steel door for security & 3mm steel body Hardened steel plates protects both bolts & lock fromattack Ant- fishing device to prevent removal via drop slot Fitted with a secure double bitted lock with 2 keys Easy to secure via base or rear face with supplied fixingkit