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 SAE AS4283C UPC 662679181376 For Use With Proto Ratchet Sockets Number of Points 4 Output Drive Type Male Square Drive Type Female Square Locking No Input Drive Gender Female Non Sparking No Socket Extension Type Standard Output Drive Shape Square Insulated No Input Drive Shape Square Output Drive Gender Male