Non-slip cushioned handle fits fingers Good for cell phones, PDAs, laptops, Digital Videos, MP3, small gadgets, or used as a watch repair tool The screwdrivers allow you to open cover of the mobile phone/watch/laptop/ easily without damage the cover. DESCRIPTION 13 sized screwdrivers These are 13 color coded for easy identification and select a suitable tip to use . 13 sized tips: Slotted :-0.6MM,-0.8MM,-1.0MM,-1.2MM,-1.4MM,-1.6MM,-1.8MM,-2.0MM :+1.2MM,+1.4MM,+1.6MM,+1.8MM,+2.0MM Perfect to repairing watches, eyeglass frames and electronic products. Blades replace are available. Material: Metal colour: Silver Package Contents: 13 x Professional Screwdriver Set 13 x Extra Replace Blades Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.