Megapro 151YW/RD-PLR Steel Hex Multi Bit 15 in 1 Authentic Double-End PL Robertson Screwdriver, 1-1/4" Hex Nut, 8-1/2" Length PL Robertson has created a special double-end bit for Megapro These bits are designed to be compatible with most Megapro drivers All authentic Robertson tips are manufactured from a specially modified tool steel and carefully heat treated to provide maximum wear and torque Color coded for easy bit size identification Two heads are better than one Made in the USA