Well Made & Wide Application: 304 stainless steel & food grade silicone, solid and rustproof keg coupler adapter kit. This Ball lock keg conversion kit fits all the 5/8 inch Thread A/ G/ S/ D type keg coupler! Work with beer keg coupler directly. Easy of Convert and Clean: Allows you to convert the keg into a keg in seconds! Very easy to toggle. Just INFUSE some clear water into your keg and exporting it to clean the posts. No need to take apart! Identify & Assembly: A etched LINE around the top of the gas post to help you identify them. Use hand or pliers to tighten the posts. Please DO NOT over-tighten, as it may deform the washers, and a deformed washer may cause leaking problems. It be convenient to switch between commercial kegs and homebrew Co2 tanks with this to ball lock disconnect conversion kit; Tips: Just exporting some clear water from keg to clean the posts. Please do not take the adapters apart, it is hard to reassembly. PLEASE DO NOT over-tighten, hand tight is enough for a perfect seal. Color: Black + White + Silver Material: plastic + stainless steel Package Contents: 4 x adapters 4 x rotating nuts 4 x straight thread replacement head 4 x Distributor connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.