OTCs 680 V-Belt Pulley Pulling Attachment clamps down into V-groove on pulley to distribute load; allows you to safely remove stubborn pulleys without damaging them. Use with Grip-O-Matic pullers or Push-Pullers. Its maximum spread is 10-1/16" and the minimum spread is 1-5/8". Two 5/8-18 threaded holes on face of puller. Use with puller numbers 1039, 1040, 1041, 1063, 1065, and 938. Value is at the core of the OTC tool and equipment portfolio. Whether it’s a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.