Highlights Number of kits: 40PCS Material: Metal Role: Car, Home, Machine repair Product size: Ratchet wrench length 17cm screw post length 14cm Packing list: 1 Piece 1/4*3/8 adapter 1 Piece 3/8 ratchet wrench 1 Piece 3/8 plastic card 1 Piece 3/8*3-inch series post 1 Screw handle shank 1 Piece 3/8*21MM Mars sleeve (maximum 21) 1 Toolbox 2 Pieces of 3/8 series sleeve: 5/8” (16MM) 15MM 3 Pieces of 1/4 series star sleeves: 1/4, 5/16, 3/8” 28 Pieces 1/4 series sleeve: 4,4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13.0MM 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/ 32, 9/16(Inch) Product Description: The rubber handle is made of environmentally friendly materials, with raised patterns on the surface, which makes it comfortable and effective to prevent skidding. It is made of high-quality chromium vanadium steel and heat treated as a whole. It is more convenient to use with strong magnetic field.