TUBE KEY KEY WITH ACCESSORIES; TYPE OF MOUTH: DOUBLE HEXAGONAL; EXTREME MEASUREMENT (MM/PLG): INCHES; INLET MEASUREMENT: 1/2 IN; MINI MEASUREMENT: 1/4 IN; MAXIMUM MEASUREMENT: 1 IN; NUMBER OF KEYS: 14; CANTIDAD DE PIE ZAS: 21; NOTE: HOBBISTIC LINEAS OF TOOLS, INDUSTRIAL OR PROFESIONAL ONLY ARE NOT ACCEPTED. OTHER APPROVED BRANDS: GEDORE; MANUFACTURER 1: PROTO; MANUFACTURER 2: BAHCO; MANUFACTURER 3: STANLEY; ELO MODE 3: PROFESIONAL