Flexible Drill Bit Holder Set for Confined Space Right Angle Drill Attachment Screwdriver +Impact Socket Adapter Bit Set 3 PCS 1/4" 3/8" 1/2"+ Flexible Drill Bit ExtensionPRODUCT SPECIFICATION:MATERIAL: Chrome-vanadium steel; Carbon Steel;SHANK: 1/4” Hex ShankBending Angle: 105°Length of the flexible drill bit extension: 11.7”SOCKET ADAPTERS:1/4 * 1/4 * 65mm length -- 1/4 " shank can be converted to 6.35mm square head3/8 * 1/4 * 65mm length -- 1/4 " shank can be converted to 9.4mm square head1/2 * 1/4 * 72mm length -- 1/4 " shank can be converted to 12.6mm square headPRODUCT FEATURE:✮ [GREAT DRILL BIT EXTENSION SET FOR CONFINED SPACE]-This drill bit extension set includes 1 pcs 11.7” long flexible drill bit extension, 3 pcs impact socket adapters and 1 pcs 105 degree right angle drill attachment. Combination of the tools allow various access to confined or hard-to-reach space, making your hand tool more versatile; ✮ [PREMIUM MATERIAL]-105 right Angle drill attachment and 3 pcs socket adapter set is made of heavy-duty chrome-vanadium steel; flexible drill bit extension is made of premium carbon steel; This drill bit extension set is durable, withstanding high pressure; Excellent surface coating provides extra protection from damage against elements and substances such as oil and fluids that may come in contact with the extension bars during usage; ✮[105 RIGHT ANGLE DRILL ATTACHMENT ]- With standard 1/4'' Hex Shank and 1/4'' Hex Socket, this right angle drill bit attachment adapter is compatible with most power drills and screwdriver sets. The maximum torque of the right angle drill attachment driver adapter is 15N; Only for right angle head; ✮[UNIVERSAL 1/4” HEX SHANK]-This power tool accessory set has a universal 1/4” hex shank fitting most power tools.