Specification Brand : Carr Lane Manufacturing BulletPoint1 : A: M6 BulletPoint2 : Initial End Force: 2 BulletPoint3 : Final End Force: 4 BulletPoint4 : B: .53 BulletPoint5 : C: .035 ItemName : CLM-6-BP-2 Carr Lane Manufacturing Ball Plunger, Steel Body: Thread M6 ItemPackageQuantity : 1 ItemTypeKeyword : ball-nose-spring-plunger Manufacturer : Carr Lane Manufacturing Material : Body > 12L14 steel, zinc plated clear chromate, zinc plated yellow chromate, or black oxide finish, depending on the spring force. (300-series stainless on the smallest five sizes). Ball > 440C stainless. Spring > Music wire (302 stainless on the smallest five sizes). DFARS and RoHS compliant. PartNumber : CLM-6-BP-2 ProductDescription : Self-contained ball-and-spring device available in many sizes and forces. Available in steel, stainless steel, or Delrin½, all with a stainless steel ball. Locking element holds the unit securely in place after installation (steel and stainless only). Install and/or adjust from either end (when using the slot at the ball end, install with a Plunger Wrench to avoid over-compressing the spring). Note: the three smallest sizes, and all Delrin sizes, have no slot at the ball end. Made in USA. ProductSiteLaunchDate : 2013-12-19T23:51:59.727Z