Check the listing for details. Esterline Angus Graphic Chart Recorder Recording Arm Balance Assembly?, #875. Condition: New – Open box. Listed at 24.99 USD. We aren't sure of this, but we believe it is used on a Esterline Angus Recording Chart Ink Arm, for balance, or pressure for the end on the ink nozzle, against the rolled chart. Pivot arm adjustment screw? The metal sleeve, steel ball, and small insert are included, as shown The long part measures 1.201" / 30.52mm If you know what this, we would appreciate letting us know I've had this about 40 years, and can't remember exactly what it isFree USA ShippingAny questions? Please ask before purchasing.(T-875 @ M-6-5)SHIPPING & HANDLING: See shipping tab for costs. We always combine shipping on multiple items.PAYMENT: PayPal optionsINSURANCE: At buyers request and costRETURNS: Items may be returned within 30 days. Buyer pays return shipping; item must be returned in the same condition & packaging as received. Packaged well/safely for return shipment for a full item only refund, shipping not refunded.Thank you for looking!Doghouse-DealsAuto Parts, Tools, Manuals & Much MoreBuying & Selling On-Line Since ‘99