Made of premium carbon steel and PVC, durable to use The flexible shaft is perfect to deal with any narrow space, dead angle and other place that screwdriver can not reach An important tool for hardware maintenance and repair Several screwdriver bits of different shapes, including slotted, phillips, hexagon etc, 9 sleeves of different sizes, satisfy your different needs Practical, easy to use Specification: Flexible Shaft x 1 Screwdriver Bit x 10 Connecting Rod x 1 screwdriver Bit ph2 -sl6 Size Chart: Flexible Shaft Length: Approx.295mm/11.61 inch Hex Shank: 1/4 Inner Hexagon Head: 1/4 1/4 Sleeve: 5-13mm Connecting Rod Length: Approx.60mm/2.36 inch Double Head Bit Length: Approx.110mm/4.33 inch Twist Drill Bit: 3mm, 4mm, 5mm, 6mm Material: Carbon Steel, PVC Color: As Shown Package Includes: 1 Set of Screwdriver Flexible Shaft and Bit Applicability: flexible shaft extension bits compatible with small wrench cordless screwdriver or low speed dc hand drill pneumatic screwdriver torque drill or electric screwdriver; mainly for computer chassis, electrical cabinets, furniture, electrical appliances and other narrow space screwdriver. Note: Screwdriver is not included.