The keychain is made of stainless steel material for durable use. There are with mini screwdriver， Phillips screwdriver & hex socket suitable for repairing glasses. The multifunction screwdriver is convenient to attach your keys in it and carry. Use it as screwdriver as needed.- Stainless steel material- With mini flat screwdriver， Phillips screwdriver & hex socket- Suitable for repairing glasses- Can be used as keychainDimensions: 2.17 in x 0.20 in x 0.20 in (5.5 cm x 0.5 cm x 0.5 cm)Weight: 0.39 oz (11 g)<img src="http://112.74.112.28/down/products/133362/133362_001.jpg">