General description This 18 Pieces Impact Reducer and Socket Adapter Set is designed for versatility and efficiency in various DIY and home improvement tasks. It features multifunctional tools that are mini, explosion-proof, double-ended, anti-slip, bionic, and anti-magnetic, making it an essential addition to your toolkit. Technical specifications Material: Steel Hardness: (HRC) 40 +/- 2 Weight: 3/8 Hole 1/4 Head: 18g 1/4 Hole 3/8 Head: 18g 3/8 Hole 1/2 Head: 43g 1/2 Hole 3/8 Head: 47g 3/4 Hole 2/1 Head: 253g 1/2 Hole 3/4 Head: 136g Sizes: 36x58mm, 25x50mm, 21x38mm, 17x38mm, 16x25mm, 14x25mm Package Contents 18 x Mini Double Wrench Hand Tool Set Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.