【Adjustable Torque Control】 Features precise torque adjustment from 0.35 N·cm to 0.55 N·cm with audible "KAKA!" sound alert when torque limit is reached, preventing screw damage and component over-tightening. 【Magnetic Precision Bits & Quick-Change Blade System】 Equipped with magnetic screwdriver bits that securely hold small screws during disassembly; "Lift Up for Replaceable Blades" design allows instant bit replacement without tools, maximizing efficiency during repair tasks. 【Complete Multi-Handle Set】 Includes three specialized handles (Phillips, Pentalobe, Tri-Point) with color-coded icons for easy identification and versatile electronics repair applications. 【Professional Repair Kit】 Comes with 4 different bit types (Phillips, Pentalobe, Tri-Point, Convex Cross) plus bit holder and black storage tube for organized tool management. 【Compact Professional Design】 Lightweight 148g construction with ergonomic handles featuring anodized aluminum adjustment rings and durable engineering plastic bodies for comfortable extended use. Specifications: Model: SD20 Torque Range: 0.35 N·cm to 0.55 N·cm Product Dimensions: 16mm × 16mm × 137mm Net Weight: 148g Material: Metal Bits, Engineering Plastic Handles, Anodized Aluminum Adjustment Rings Package included 1 x Phillips Handle 1 x Pentalobe Handle 1 x Triangle Handle 1 x Bit Storage Column 1 x Phillips Bit 1 x Pentalobe Bit 1 x Triangle Bit 1 x Midplate Bit Specifications Brand 2UUL Color As Shown Gross Weight 0.185kg Volume Weight 0.082kg Package Length 18.700cm Package Width 8.900cm Package Height 2.200cm