Toika Open Bottom Roller Shuttle 32cm Toika shuttles are made from carefully selected birch and finished with a clear varnish. With an open bottom and rollers the shuttle is light to use and travels quickly across the warp. This version measures 32cm in length and is 2.5cm deep (12 5/8th” x 1″) deep. The spindle will take up to a 13cm cardboard pirn, homemade paper spools or most makes of manufactured plastic bobbins. It weighs 115g and is shaped to fit nicely in the hand to throw and catch.