6 in 1 Square Key 6/7/8 mm Allen Key with Multi-Function Graduation Universal Construction Site Master Key in Solid Zinc Alloy for Opening Door Window Cabinet

【Mortise key】 Architect key with cylinder closing nose for PZ mortise locks without shell profile cylinder【Useful scale】 Practical graduation behind the beard of the cone-shaped square for measuring cylinder lengths from 22 to 75 mm【Cabinet key】 3 square keys in sizes 6.7 and 8 mm for controlling the heating valve or ventilation grille, etc.【Hex key】 Long universal key with 3mm hex key, short variant with flattened cam for emergency openings【Multi-function】 New integrated construction key with a bulge for opening cold drinks, multifunctional bottle openerSold by Bianco FR store