Proto J5460 Socket Extension 1 2 in Input Drive Size, 1 2 in Output Drive Size, 2 1 2 in Overall Lg, Std 3RDL7 (F) 10 to 250 Includes (F) 10 to 250 Includes Springs Material polycarbonate Spring Tension (PSI) 1 to 2 Application For Corrosive Operating Conditions such as Chemical and Food Processing Operating Temperature Maximum 250 Degrees F Grease Color Green Operating Temperature Minimum 10 Degrees F Refillable Yes Lubrication Point Type Single Delivery Method Continuous Feeder Capacity 6 fl oz Feeder Material Aluminum Spring Force 13 psi Connection Type NPT Flow Rate Adjustability Non Adjustable use them with raised surface pipe flanges it's a reliable tool for any professional or DIY enthusiast making it perfect for various tasks and projects