Double Ring Long Spanner Set 15° Offset Sae 4Pce SP10284 by SP Tools Outside Firm Joint Caliper Taper is forged for finer 8729023 Taper is forged for finer grain giving greater tensile strength Scoring Motor: 1HP Set Includes: 3 8 x 5 16” Dual Flat Drive Technology The dual flat ring end design allows for maximum contact between the tool and fastener The extra contact means the applied torque can be increased and risk of damage to the fastener is decreased SP Box Ring spanners wrap around and make more contact around fasteners and can often reach where other spanners can't Small head profile designed for working in confined spaces Tough triple chrome