Description Introduction:   CPV Racing tools are available in Ultimate and Professional series One of the largest lines of professional R/C tools in the world Ultimate tools series have top quality by the world standard Tips are made from special spring steel Tips are individually precision-ground, sized and shaped for perfect fit with fasteners Unique hardening processes make the tips ultra strong and durable All tips are replaceable for great economy Lightweight CNC-machined aluminum handles Perfect knurling surface for unsurpassed grip Distinguished engraved CPV Racing logo and size markings CNC-machined aluminum caps included Tools of the best performance-price ratio       CPV Racing Ultimate tools series are available in all sizes and various lengths, types, and measurements: Metric and inch hex and ball hex wrenches Metric and inch socket drivers Slotted and Philips screwdrivers   Specifications:   Material: aluminum + spring steel Color: black Tip Size: 3.5/ 4.0/ 5.0/ 5.8*120mm Weight: 214g