Only used this for a few holes but thought I'd share my first opinion. I have used several countersinks on wood screws and my main concern is how smooth the outside edge of the hole is and how repeatable the depth of the countersink is. I've tried snappy, cheap ryobi, and a few others. The best I've found so far are sold by Lee Valley and made by an Israeli company. I got clean, splinter free holes on pine plywood with this product. I look at the packaging, it says 'Made in Israel'. I believeβ¦