Bit Holders For 5/16” Hex Insert Bits All Bit Holders on this page have Ring Retainers. NON-MAGNETIC OVERALL LENGTH 1/4” HEX DRIVE 1/2” BODY 3-3/16” 4BH5/16 3-3/16” 4MBH5/16 MAGNETIC OVERALL LENGTH PART NO. PART NO. 5/16” HEX DRIVE 1/2” BODY 3-3/32” 5BH1/4 5BH5/16 3-3/32” 5MBH1/4 5MBH5/16 Yankee Bit Holders For 1/4” Hex Shank Insert Bits NON-MAGNETIC DRIVE 9/32” 5/16” MAGNETIC OVERALL LENGTH 3-3/8” 3-3/8” OVERALL LENGTH 3-3/8” 3-3/8” PART NO. 9YBH1/4 10YBH1/4 PART NO. 9YMBH1/4 10YMBH1/4 7/16” BODY Female Square Drive Bit Holders (with Ring Retainer) For 1/4” and 5/16” Hex Shank Insert Bits NON-MAGNETIC HEX INSERT BIT SIZE NON-MAGNETIC STYLE 1/4” 1/4” 1/4” 5/16” 5/16” MAGNETIC OVERALL LENGTH 2” 2-1/16” 2-3/4” 2-1/2” 2-1/2” FEMALE SQUARE DRIVE 1/4” 3/8” 1/2” 3/8” 1/2” OVERALL LENGTH 7/8” 1-1/8” 1-3/4” 1-1/2” 1-3/4” PART NO. 250BH1/4 375BHT1/4 500BHT1/4 375BHT5/16 500BHT5/16 PART NO. 250MBH1/4 375MBH1/4 500MBH1/4 375MBH5/16 500MBH5/16 NON-MAGNETIC TAPERED STYLE T = Tapered Style 11