From the Manufacturer
Stanley Proto combination wrenches are engineered to be more efficient and stronger than ever. Proto engineers continually work to create wrenches that grip tighter and let users apply more torque without fear of fastener damage. All are coated or plated to be durable and corrosion resistant.
WR COMB REV SPL 17MM 15 angled offset box end helps keep shank clear of obstructionsAnti-Slip Design (ASD) open endBlack chrome finish is corrosion resistant and visually distinctiveBox end is countersunk for easy application to the fastenerChrome-vanadium box ends and switch levers provide high strength and durabilityLoads are kept off the corners of the fastener which helps prevent fastener roundingMetric Spline wrenches can be used on metric 4, 6, 12 point spline and Torx fastenersPatented locking grooves help prevent the wrench from slipping off the fastener when turningSpline design enables the wrench to contact conventional fasteners away from the corners, which applies force over a larger area, reducing risk of fastener scoring and helps prevent rounding of the corners and other fasteners damage that could lead to Foreign Object Damage (FOD)Spline design was created for use with specialty spline bolts which are used when weight and size of bolt heads must be minimizedThe arched surfaces are designed to spread the contact forces over a greater areaThe chrome-vanadium switch lever allows for easy changes in turning direction which helps improve speedThe high contact surface area which is away from fastener points enables turning of highly rounded fasteners Opening Size: 17 mmOpening Type: Open/BoxHead Width: 1 3/8 inOverall Length: 8 7/8 inFinish: Black ChromeMeasuring System: MetricWt.: 0 lb