5Pcs Titanium Alloy T6 Plum Screws Folding Knife with Clip Back Screw DIY Knife Handle Accessories for XM 18Feature: Made of TC4 titanium alloy and M2.1 fine thread, terminated by CNC bed. This bolt is towing size, the difference is the thread length. Large size usually used for screws with clip on the back, small size usually used for limit piece and push rod plate screw. Suitable for: Rick hinderer xm18,spyderco,Emerson,benchmade,zero tolerance, ontario Specification:Size S:Length4.7mm,Head Thickness 1.2mmClass Thickness 0.8mmThread Length 3.5mm, Nut Diameter 4mm,Size L:Length6.2mmHead Thickness 1.2mmClass Thickness 0.8mmThread Length 5mmNut Diameter 4mm Colors: Titanium/Black/Blue/Burnt Blue (Optional)Package Included:5pc ScrewsNote: Please look at the size and model before you buy. If you have any questions, you can via trademanager or message, we will always be here and answer all your questions at the first time.