This is an octagonal Wa Style Handle made for Japanese style kitchen knives.

The body is made from stabilized Tasmanian Blackwood with a bubinga ferrule 

Medium - it is suited for a 240 mm  gyuto or other Japanese knife. It’s a fairly light weight handle

Weight 39g Length 138.5 mm  (5.5”)

Handle is sanded to 600 grit and then coated in 5-6 coats of Tru-Oil.

Use and care - Hand wash and dry - Never put in dishwasher nor leave in hot soapy water.