General description 12Pcs Impact Reducer and Socket Adapter Set is a multifunctional tool designed for various applications. This set includes mini, explosion-proof, double-ended, anti-slip, bionic, and anti-magnetic features, making it a versatile addition to your toolkit. Technical specifications Material: Steel Hardness: (HRC) 40 +/- 2 Sizes: 36x58mm, 25x50mm, 21x38mm, 17x38mm, 16x25mm, 14x25mm Weight: 1/4 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 Package contents 12 x Mini Double Wrench Hand Tool Set Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.