This soft cushioned seam ripper is designed to fit the hand perfectly. It lessens stress on those with arthritis or carpal tunnel syndrome. The safety ball feature will protect fabric when removing stitches. The seam ripper is made of hardened steel that retains sharpness.
I didn't really care for this ripper (I ended up giving it to my sister). The little cap kept falling off. And the shaft of the ripper was not long enough -- too close to the handle. Made it awkward to use.