THIS HANDLE DESIGN IS DEVELOPED TO PROVIDE THE SOLUTION! TO CLIMB IN/OUT OF THE PINSETTERS WITHOUT HAVING TO GRIP THE TOP EDGE OF THE SHARP SAFETY SHIELD.ITS A RANDOM OCCURRENCE WHEN A MECHANIC LOSES HIS OR HER FOOTING THUS CREATING THE CHANCE TO PULL DOWN TOO HARD CAUSING FINGERS TO SLIP/POSSIBLY SEVERE LACERATION CAN RESULT! STITCHES ARE NO FUN! TRUST ME I HAVE HAD SEVERAL/THIS DESIGN GREATLY REDUCES THE ODDS.GET YOUR 2-4 MONTHLY ORDER IN/BEFORE YOU KNOW IT THERE IN ALL YOUR PINSETTERS. I ENJOY HAVING ALL MY SAFETY HANDLES IN THE MAIN TRAFFIC AREA OF THE PINSETTERS.PATENT PENDING!