Proto J5470A Universal Joint 1 2 in Output Drive Size, Square, 2 3 4 in Overall Lg, Chrome 20FZ27 With 100 gloves in a With 100 gloves in a pack Cooler Bag Back Stripe Pattern None Closure Type Zipper Includes Battery No Includes Cooling Inserts Yes High Visibility No Maximum Cooling Time 2 to 3 hr Number of Cooling Inserts Included 4 Workwear Cooling Technology Cold Pack Inserts Cooling Time 5 to 10 hr Cooling Temperature 58 Degrees F Workwear Material Properties None Workwear Closure Type Hook and Loop SAE AS4283C Features Non Slip Surface Measurement Type SAE Locking No Output Drive Type Male Square Number of Points 4 Impact Rated No Drive Type Hand Material Alloy Steel Non Sparking No Insulated No Input Drive Gender Female Corrosion Resistant Yes Output Drive Shape Square Input Drive Shape Square Non Magnetic No Output Drive Gender Male This Proto J5470A Universal Joint has a 1 2 inch output drive size