Electrician 45 Pcs Magnetic Precision Screwdriver Tool Set w/ 42 Bits Made of high quality sturdy steel Come with 42pcs multi size bits to fit almost phone in the market CRV inner hexagon sleeve: M2.5 M3.0 M3.5 M4.0 M4.5 M5.0 M5.5 Star model: 2.0 (Split Pocket PCs, some Mobile phones) Triangle type: 2.0 (Demolition of small household appliances)