Choose the model Brass extension sleeve 3/8" x 100 mm Brass extension sleeve 3/8" x 150 mm Brass extension sleeve 3/8" x 200 mm Brass extension sleeve 1/2" x 60 mm Brass extension sleeve 1/2" x 100 mm Brass extension sleeve 1/2" x 150 mm Brass extension sleeve 1/2" x 200 mm Brass extension sleeve 3/4" x 60 mm Brass extension sleeve 3/4" x 100 mm Extension sleeve 3/4" x 150 mm Brass extension sleeve 3/4" x 200 mm Brass extension sleeve 1" x 60 mm Brass extension sleeve 1" x 100 mm Brass extension sleeve 1" x 150 mm Brass extension sleeve 1" x 200 mm Brass extension sleeve 1"1/4 x 60 mm Brass extension sleeve 1"1/4 x 100 mm Brass extension sleeve 1"1/4 x 150 mm Brass extension sleeve 1"1/2 x 100 mm Brass extension sleeve 1"1/2 x 150 mm Brass extension sleeve 1"1/2 x 200 mm