SCK4-3.75 Wood Lathe Key Chuck, 3-3/4inch Wood Lathe Gear Chuck with 1"x8TPI Thread & 3/4"x16TPI Adapter

Timely delivery, excellent workmanship, quality product that opens a whole new area of woodwork.

Delivered on time. Good product

Looking forward to using this. But I felt it necessary to add short pieces of 1/2" I.D. latex rubber tubing, slipping each piece over each of the 8 screw-in round hard plastic pieces that hold the wood bowl. This should greatly improve the grip. A 1-meter piece of tubing is relatively cheap and easy to buy on Amazon. Easy to cut the short lengths with regular 8" scissors. Slips on easy and stays snug.FOLLOW UP MONTHS LATER: The cole jaws have been working well. I subsequently made additional sets of screw-in posts using acetyl copolymer round rod, also buying appropriate screw lengths on Amazon with matching thread. I used 1/2" diameter rod for 1" long posts, and 3/4" diameter for 2" long posts to hold bowls where the optimal gripping zone is a bit further from the bowl edge. I used small cutoff pieces of the latex rubber tubing on the 1/2" diameter and silicone tubing for the 3/4" because it was difficult to find the latex tubing in that ID diameter. Both work extremely well in terms of protecting the wood surface and providing a good grip on the bowl.

Installed on an old Craftsman 12 inch lathe that I've had for many years. It was a perfect fit. I did have to use the thread adapter. I've used once and worked perfectly. I'll update if there are any issues.changes

Item arrived quickly, well packaged, as advertised, and sold at a very good price. Jaws are well-made of sturdy cast aluminum with bumper mounting holes precisely machined, and fits my VINWOX SCR4-4 Scroll Chuck perfectly. Jaw set comes with two sets of eight bumpers (short and long) and mounting screws. It happened that one of the long bumpers was missing from the set I received. I corresponded with the seller (SpeedForceUSA); they responded within a couple hours offering an entirely new set of jaws and bumpers since they do not carry the bumpers separately. I accepted their generous offer, and received the new (complete) set of jaws/bumpers in only two days! I now have several spare parts which should last me a very long time. I've used the jaw set a few times and find it to be a very good product from an excellent seller.

The fit and functional design works well. It may be a few thousandths off but for wood turning it works well at this price point. Turned multiple handles/pens so far.The hold and adjustability are good. Solid weight and turns fine so far at speed.

As a beginning bowl Turner, I didn't want to spend big money on necessary tools and fixtures. I took a chance on this chuck and after more than 50 bowls, some over 14", I am very satisfied. It holds the bowl blank tight and is well balanced. I would definitely buy another one.

The screw holes in these jaws are drilled too small to fit the chuck screws. I will have to modify the jaws to fit.