KINGHEART has over 40 years of experience in product development, and we have extensive capabilities in plastic injection molding. This innovative case was successfully produced after precision design and mold adjustment.The outer shell and inner layer are composed of different materials, unique and addictive.Professional color recognition.Patented bit holder design allows easy removal of bits and customizable placement.We hope this product can accompany you through all the moments when you need to repair your home.Open the day with a sense of ritual.Content: (1) 90T quick release slim ratchet handle (1) Extension bar 4'' (1) Universe joint 1/4'' (1 )Slim quick release holder 1/4'' 60mmL (1) Adapter socket (coupler for bits) (13) Color ring socket: 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8.0mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm (32) 25 MM (L) X 1/4" HEX BITS, Color ring S2 STEEL: ph:1*2 / ph2*2 /ph3*2 pz:1*2 / pz2*2 /pz3*2 hex:2.3.4.5.6 sl: 3/4.5/5.5/6.5 tx:6.7.8.9.10.15.20.25.27.30.40 (16) 50 MM (L) X 1/4" HEX BITS, Color ring S2 STEEL: ph:1.2.3 pz:1.2 sl:5 hex:3.4.5.6 tx:10.15.20.25.27.30